diff --git a/apps/access/tests.py b/apps/access/tests.py
index 233bffb7a7..2d96747afd 100644
--- a/apps/access/tests.py
+++ b/apps/access/tests.py
@@ -79,6 +79,7 @@ class TestHasPerm(TestCase):
     fixtures = ['base/users', 'base/addon_3615']
 
     def setUp(self):
+        super(TestHasPerm, self).setUp()
         assert self.client.login(username='del@icio.us', password='password')
         self.user = UserProfile.objects.get(email='del@icio.us')
         self.addon = Addon.objects.get(id=3615)
@@ -201,6 +202,7 @@ class TestCheckReviewer(TestCase):
     fixtures = ['base/addon_3615', 'addons/persona']
 
     def setUp(self):
+        super(TestCheckReviewer, self).setUp()
         self.user = UserProfile.objects.get()
         self.persona = Addon.objects.get(pk=15663)
         self.addon = Addon.objects.get(pk=3615)
diff --git a/apps/addons/tests/test_buttons.py b/apps/addons/tests/test_buttons.py
index 10823256e9..9b84f7b19f 100644
--- a/apps/addons/tests/test_buttons.py
+++ b/apps/addons/tests/test_buttons.py
@@ -23,6 +23,7 @@ def setup():
 class ButtonTest(amo.tests.TestCase):
 
     def setUp(self):
+        super(ButtonTest, self).setUp()
         self.addon = Mock()
         self.addon.is_featured.return_value = False
         self.addon.is_unreviewed.return_value = False
diff --git a/apps/addons/tests/test_cron.py b/apps/addons/tests/test_cron.py
index 6885800707..fd05b47bc0 100644
--- a/apps/addons/tests/test_cron.py
+++ b/apps/addons/tests/test_cron.py
@@ -117,6 +117,7 @@ class TestHideDisabledFiles(amo.tests.TestCase):
     msg = 'Moving disabled file: %s => %s'
 
     def setUp(self):
+        super(TestHideDisabledFiles, self).setUp()
         p = amo.PLATFORM_ALL.id
         self.addon = Addon.objects.create(type=amo.ADDON_EXTENSION)
         self.version = Version.objects.create(addon=self.addon)
diff --git a/apps/addons/tests/test_decorators.py b/apps/addons/tests/test_decorators.py
index 96cb87c148..f59d1962f5 100644
--- a/apps/addons/tests/test_decorators.py
+++ b/apps/addons/tests/test_decorators.py
@@ -11,6 +11,7 @@ from addons.models import Addon
 class TestAddonView(amo.tests.TestCase):
 
     def setUp(self):
+        super(TestAddonView, self).setUp()
         self.addon = Addon.objects.create(slug='x', type=1)
         self.func = mock.Mock()
         self.func.return_value = mock.sentinel.OK
diff --git a/apps/addons/tests/test_forms.py b/apps/addons/tests/test_forms.py
index c72e8d36d4..51a5d8cfd2 100644
--- a/apps/addons/tests/test_forms.py
+++ b/apps/addons/tests/test_forms.py
@@ -89,6 +89,7 @@ class TestTagsForm(amo.tests.TestCase):
     fixtures = ['base/addon_3615', 'base/users']
 
     def setUp(self):
+        super(TestTagsForm, self).setUp()
         self.addon = Addon.objects.get(pk=3615)
         category = Category.objects.get(pk=22)
         category.name = 'test'
@@ -215,6 +216,7 @@ class TestIconForm(amo.tests.TestCase):
     # TODO: AddonFormMedia save() method could do with cleaning up
     # so this isn't necessary
     def setUp(self):
+        super(TestIconForm, self).setUp()
         self.temp_dir = tempfile.mkdtemp()
         self.addon = Addon.objects.get(pk=3615)
 
@@ -227,6 +229,7 @@ class TestIconForm(amo.tests.TestCase):
 
     def tearDown(self):
         rm_local_tmp_dir(self.temp_dir)
+        super(TestIconForm, self).tearDown()
 
     def get_icon_paths(self):
         path = os.path.join(self.addon.get_icon_dir(), str(self.addon.id))
diff --git a/apps/addons/tests/test_helpers.py b/apps/addons/tests/test_helpers.py
index 3729b88289..5e3ba62dcd 100644
--- a/apps/addons/tests/test_helpers.py
+++ b/apps/addons/tests/test_helpers.py
@@ -126,6 +126,7 @@ class TestPerformanceNote(amo.tests.TestCase):
     not_listing = '<div class="notification performance-note">'
 
     def setUp(self):
+        super(TestPerformanceNote, self).setUp()
         request_mock = Mock()
         request_mock.APP = amo.FIREFOX
         self.ctx = {'request': request_mock, 'amo': amo}
diff --git a/apps/addons/tests/test_models.py b/apps/addons/tests/test_models.py
index 61d996b091..32110903a9 100644
--- a/apps/addons/tests/test_models.py
+++ b/apps/addons/tests/test_models.py
@@ -186,6 +186,7 @@ class TestAddonManager(amo.tests.TestCase):
                 'bandwagon/featured_collections', 'base/addon_5299_gcal']
 
     def setUp(self):
+        super(TestAddonManager, self).setUp()
         set_user(None)
 
     def test_featured(self):
@@ -314,6 +315,7 @@ class TestAddonModels(amo.tests.TestCase):
                 'bandwagon/featured_collections']
 
     def setUp(self):
+        super(TestAddonModels, self).setUp()
         TranslationSequence.objects.create(id=99243)
         # TODO(andym): use Mock appropriately here.
         self.old_version = amo.FIREFOX.latest_version
@@ -321,6 +323,7 @@ class TestAddonModels(amo.tests.TestCase):
 
     def tearDown(self):
         amo.FIREFOX.latest_version = self.old_version
+        super(TestAddonModels, self).tearDown()
 
     def test_current_version(self):
         """
@@ -1498,6 +1501,7 @@ class TestGetVersion(amo.tests.TestCase):
     fixtures = ['base/addon_3615', ]
 
     def setUp(self):
+        super(TestGetVersion, self).setUp()
         self.addon = Addon.objects.get(id=3615)
         self.version = self.addon.current_version
 
@@ -1575,6 +1579,7 @@ class TestAddonModelsFeatured(amo.tests.TestCase):
                 'base/addon_3615', 'base/collections', 'base/featured']
 
     def setUp(self):
+        super(TestAddonModelsFeatured, self).setUp()
         # Addon._featured keeps an in-process cache we need to clear.
         if hasattr(Addon, '_featured'):
             del Addon._featured
@@ -1595,6 +1600,7 @@ class TestBackupVersion(amo.tests.TestCase):
     fixtures = ['addons/update', 'base/appversion']
 
     def setUp(self):
+        super(TestBackupVersion, self).setUp()
         self.version_1_2_0 = 105387
         self.addon = Addon.objects.get(pk=1865)
         set_user(None)
@@ -1675,6 +1681,7 @@ class TestPersonaModel(amo.tests.TestCase):
     fixtures = ['addons/persona']
 
     def setUp(self):
+        super(TestPersonaModel, self).setUp()
         self.addon = Addon.objects.get(id=15663)
         self.persona = self.addon.persona
         self.persona.header = 'header.png'
@@ -1854,6 +1861,7 @@ class TestFlushURLs(amo.tests.TestCase):
                 'addons/persona']
 
     def setUp(self):
+        super(TestFlushURLs, self).setUp()
         settings.ADDON_ICON_URL = (
             settings.STATIC_URL +
             'img/uploads/addon_icons/%s/%s-%s.png?modified=%s')
@@ -1867,6 +1875,7 @@ class TestFlushURLs(amo.tests.TestCase):
 
     def tearDown(self):
         _disconnect()
+        super(TestFlushURLs, self).tearDown()
 
     def is_url_hashed(self, url):
         return urlparse(url).query.find('modified') > -1
@@ -2031,6 +2040,7 @@ class TestRemoveLocale(amo.tests.TestCase):
 class TestUpdateNames(amo.tests.TestCase):
 
     def setUp(self):
+        super(TestUpdateNames, self).setUp()
         self.addon = Addon.objects.create(type=amo.ADDON_EXTENSION)
         self.addon.name = self.names = {'en-US': 'woo'}
         self.addon.save()
@@ -2119,6 +2129,7 @@ class TestUpdateNames(amo.tests.TestCase):
 class TestAddonWatchDisabled(amo.tests.TestCase):
 
     def setUp(self):
+        super(TestAddonWatchDisabled, self).setUp()
         self.addon = Addon(type=amo.ADDON_THEME, disabled_by_user=False,
                            status=amo.STATUS_PUBLIC)
         self.addon.save()
@@ -2244,6 +2255,7 @@ class TestLanguagePack(amo.tests.TestCase, amo.tests.AMOPaths):
 class TestCompatOverride(amo.tests.TestCase):
 
     def setUp(self):
+        super(TestCompatOverride, self).setUp()
         self.app = amo.APP_IDS[1]
 
         one = CompatOverride.objects.create(guid='one')
@@ -2382,6 +2394,7 @@ class TestCompatOverride(amo.tests.TestCase):
 class TestIncompatibleVersions(amo.tests.TestCase):
 
     def setUp(self):
+        super(TestIncompatibleVersions, self).setUp()
         self.app = amo.APP_IDS[amo.FIREFOX.id]
         self.addon = Addon.objects.create(guid='r@b', type=amo.ADDON_EXTENSION)
 
diff --git a/apps/addons/tests/test_search.py b/apps/addons/tests/test_search.py
index bc7c57289a..4718a2b90b 100644
--- a/apps/addons/tests/test_search.py
+++ b/apps/addons/tests/test_search.py
@@ -10,6 +10,7 @@ class TestExtract(amo.tests.TestCase):
     fixtures = ['base/users', 'base/addon_3615']
 
     def setUp(self):
+        super(TestExtract, self).setUp()
         self.attrs = ('id', 'slug', 'created', 'last_updated',
                       'weekly_downloads', 'average_daily_users', 'status',
                       'type', 'hotness', 'is_disabled', 'premium_type')
diff --git a/apps/addons/tests/test_theme_update.py b/apps/addons/tests/test_theme_update.py
index c72a7ad0a1..900429389b 100644
--- a/apps/addons/tests/test_theme_update.py
+++ b/apps/addons/tests/test_theme_update.py
@@ -18,6 +18,7 @@ from services import theme_update
 class TestWSGIApplication(amo.tests.TestCase):
 
     def setUp(self):
+        super(TestWSGIApplication, self).setUp()
         self.environ = {'wsgi.input': StringIO()}
         self.start_response = mock.Mock()
 
@@ -65,6 +66,7 @@ class TestThemeUpdate(amo.tests.TestCase):
     fixtures = ['addons/persona']
 
     def setUp(self):
+        super(TestThemeUpdate, self).setUp()
         self.good = {
             'username': 'persona_author',
             'description': 'yolo',
diff --git a/apps/addons/tests/test_views.py b/apps/addons/tests/test_views.py
index 6b7ee070c3..86f79538a6 100644
--- a/apps/addons/tests/test_views.py
+++ b/apps/addons/tests/test_views.py
@@ -71,6 +71,7 @@ def test_hovercards(self, doc, addons, src=''):
 class TestHomepage(amo.tests.TestCase):
 
     def setUp(self):
+        super(TestHomepage, self).setUp()
         self.base_url = reverse('home')
 
     def test_thunderbird(self):
@@ -103,6 +104,7 @@ class TestHomepageFeatures(amo.tests.TestCase):
                 'bandwagon/featured_collections']
 
     def setUp(self):
+        super(TestHomepageFeatures, self).setUp()
         self.url = reverse('home')
 
     def test_no_unreviewed(self):
@@ -165,6 +167,7 @@ class TestContributeInstalled(amo.tests.TestCase):
     fixtures = ['base/appversion', 'base/addon_592']
 
     def setUp(self):
+        super(TestContributeInstalled, self).setUp()
         self.addon = Addon.objects.get(pk=592)
         self.url = reverse('addons.installed', args=['a592'])
 
@@ -195,6 +198,7 @@ class TestContributeEmbedded(amo.tests.TestCase):
     fixtures = ['base/addon_3615', 'base/addon_592', 'base/users']
 
     def setUp(self):
+        super(TestContributeEmbedded, self).setUp()
         self.addon = Addon.objects.get(pk=592)
         self.detail_url = self.addon.get_url_path()
 
@@ -447,6 +451,7 @@ class TestLicensePage(amo.tests.TestCase):
     fixtures = ['base/addon_3615']
 
     def setUp(self):
+        super(TestLicensePage, self).setUp()
         self.addon = Addon.objects.get(id=3615)
         self.version = self.addon.current_version
 
@@ -500,6 +505,7 @@ class TestDetailPage(amo.tests.TestCase):
                 'addons/persona']
 
     def setUp(self):
+        super(TestDetailPage, self).setUp()
         self.addon = Addon.objects.get(id=3615)
         self.url = self.addon.get_url_path()
 
@@ -834,6 +840,7 @@ class TestImpalaDetailPage(amo.tests.TestCase):
     fixtures = ['base/addon_3615', 'base/addon_592', 'base/users']
 
     def setUp(self):
+        super(TestImpalaDetailPage, self).setUp()
         self.addon = Addon.objects.get(id=3615)
         self.url = self.addon.get_url_path()
         self.more_url = self.addon.get_url_path(more=True)
@@ -1015,6 +1022,7 @@ class TestPersonas(object):
 class TestPersonaDetailPage(TestPersonas, amo.tests.TestCase):
 
     def setUp(self):
+        super(TestPersonas, self).setUp()
         self.addon = Addon.objects.get(id=15663)
         self.persona = self.addon.persona
         self.url = self.addon.get_url_path()
@@ -1089,6 +1097,7 @@ class TestStatus(amo.tests.TestCase):
     fixtures = ['base/addon_3615', 'addons/persona']
 
     def setUp(self):
+        super(TestStatus, self).setUp()
         self.addon = Addon.objects.get(id=3615)
         self.version = self.addon.current_version
         self.file = self.version.all_files[0]
@@ -1197,6 +1206,7 @@ class TestEula(amo.tests.TestCase):
     fixtures = ['addons/eula+contrib-addon']
 
     def setUp(self):
+        super(TestEula, self).setUp()
         self.addon = Addon.objects.get(id=11730)
         self.url = self.get_url()
 
@@ -1299,6 +1309,7 @@ class TestPrivacyPolicy(amo.tests.TestCase):
     fixtures = ['addons/eula+contrib-addon']
 
     def setUp(self):
+        super(TestPrivacyPolicy, self).setUp()
         self.addon = Addon.objects.get(id=11730)
         self.url = reverse('addons.privacy', args=[self.addon.slug])
 
@@ -1333,6 +1344,7 @@ class TestReportAbuse(amo.tests.TestCase):
     fixtures = ['addons/persona', 'base/addon_3615', 'base/users']
 
     def setUp(self):
+        super(TestReportAbuse, self).setUp()
         self.full_page = reverse('addons.abuse', args=['a3615'])
 
     @patch('captcha.fields.ReCaptchaField.clean')
diff --git a/apps/amo/tests/__init__.py b/apps/amo/tests/__init__.py
index 63ec81467f..8bd811271d 100644
--- a/apps/amo/tests/__init__.py
+++ b/apps/amo/tests/__init__.py
@@ -862,6 +862,7 @@ class TestXss(TestCase):
     fixtures = ['base/addon_3615', 'users/test_backends', ]
 
     def setUp(self):
+        super(TestXss, self).setUp()
         self.addon = Addon.objects.get(id=3615)
         self.name = "<script>alert('hé')</script>"
         self.escaped = (
diff --git a/apps/amo/tests/test_amo_utils.py b/apps/amo/tests/test_amo_utils.py
index 2c8df592bc..c3485cb93a 100644
--- a/apps/amo/tests/test_amo_utils.py
+++ b/apps/amo/tests/test_amo_utils.py
@@ -128,11 +128,13 @@ def test_no_translation():
 class TestLocalFileStorage(BaseTestCase):
 
     def setUp(self):
+        super(TestLocalFileStorage, self).setUp()
         self.tmp = tempfile.mkdtemp()
         self.stor = LocalFileStorage()
 
     def tearDown(self):
         rm_local_tmp_dir(self.tmp)
+        super(TestLocalFileStorage, self).tearDown()
 
     def test_read_write(self):
         fn = os.path.join(self.tmp, 'somefile.txt')
@@ -204,6 +206,7 @@ class TestLocalFileStorage(BaseTestCase):
 class TestCacheNamespaces(BaseTestCase):
 
     def setUp(self):
+        super(TestCacheNamespaces, self).setUp()
         cache.clear()
         self.namespace = 'redis-is-dead'
 
diff --git a/apps/amo/tests/test_decorators.py b/apps/amo/tests/test_decorators.py
index d57ee1d46c..99932a6233 100644
--- a/apps/amo/tests/test_decorators.py
+++ b/apps/amo/tests/test_decorators.py
@@ -80,9 +80,10 @@ class TestTaskUser(amo.tests.TestCase):
         eq_(get_user().pk, 999)
 
 
-class TestLoginRequired(object):
+class TestLoginRequired(amo.tests.BaseTestCase):
 
     def setUp(self):
+        super(TestLoginRequired, self).setUp()
         self.f = mock.Mock()
         self.f.__name__ = 'function'
         self.request = mock.Mock()
@@ -145,6 +146,7 @@ class TestSetModifiedOn(amo.tests.TestCase):
 class TestPermissionRequired(amo.tests.TestCase):
 
     def setUp(self):
+        super(TestPermissionRequired, self).setUp()
         self.f = mock.Mock()
         self.f.__name__ = 'function'
         self.request = mock.Mock()
diff --git a/apps/amo/tests/test_fields.py b/apps/amo/tests/test_fields.py
index affb05a765..ef4d785895 100644
--- a/apps/amo/tests/test_fields.py
+++ b/apps/amo/tests/test_fields.py
@@ -48,6 +48,7 @@ class DecimalCharFieldTestCase(amo.tests.TestCase):
 class SeparatedValuesFieldTestCase(amo.tests.TestCase):
 
     def setUp(self):
+        super(SeparatedValuesFieldTestCase, self).setUp()
         self.field = SeparatedValuesField(forms.EmailField)
 
     def test_email_field(self):
diff --git a/apps/amo/tests/test_helpers.py b/apps/amo/tests/test_helpers.py
index fe8f12f137..0dea5a1c34 100644
--- a/apps/amo/tests/test_helpers.py
+++ b/apps/amo/tests/test_helpers.py
@@ -77,9 +77,10 @@ def test_page_title():
                 'x': encoding.smart_str(u'\u05d0\u05d5\u05e1\u05e3')})
 
 
-class TestBreadcrumbs(object):
+class TestBreadcrumbs(amo.tests.BaseTestCase):
 
     def setUp(self):
+        super(TestBreadcrumbs, self).setUp()
         self.req_noapp = Mock()
         self.req_noapp.APP = None
         self.req_app = Mock()
diff --git a/apps/amo/tests/test_log.py b/apps/amo/tests/test_log.py
index 5ca210340c..8cb4850942 100644
--- a/apps/amo/tests/test_log.py
+++ b/apps/amo/tests/test_log.py
@@ -11,6 +11,7 @@ from users.models import UserProfile
 
 class LogTest(amo.tests.TestCase):
     def setUp(self):
+        super(LogTest, self).setUp()
         u = UserProfile.objects.create(username='foo')
         amo.set_user(u)
 
diff --git a/apps/amo/tests/test_models.py b/apps/amo/tests/test_models.py
index 08e820842f..571eb6d095 100644
--- a/apps/amo/tests/test_models.py
+++ b/apps/amo/tests/test_models.py
@@ -46,6 +46,7 @@ class TestModelBase(TestCase):
     fixtures = ['base/addon_3615']
 
     def setUp(self):
+        super(TestModelBase, self).setUp()
         self.saved_cb = amo.models._on_change_callbacks.copy()
         amo.models._on_change_callbacks.clear()
         self.cb = Mock()
@@ -54,6 +55,7 @@ class TestModelBase(TestCase):
 
     def tearDown(self):
         amo.models._on_change_callbacks = self.saved_cb
+        super(TestModelBase, self).tearDown()
 
     def test_multiple_ignored(self):
         cb = Mock()
diff --git a/apps/amo/tests/test_readonly.py b/apps/amo/tests/test_readonly.py
index 1112886447..a3e7819227 100644
--- a/apps/amo/tests/test_readonly.py
+++ b/apps/amo/tests/test_readonly.py
@@ -28,6 +28,7 @@ class ReadOnlyModeTest(amo.tests.TestCase):
     extra = ('amo.middleware.ReadOnlyMiddleware',)
 
     def setUp(self):
+        super(ReadOnlyModeTest, self).setUp()
         models.signals.pre_save.connect(self.db_error)
         models.signals.pre_delete.connect(self.db_error)
         self.old_settings = dict((k, quickcopy(getattr(settings, k)))
@@ -49,6 +50,7 @@ class ReadOnlyModeTest(amo.tests.TestCase):
                 pass
         models.signals.pre_save.disconnect(self.db_error)
         models.signals.pre_delete.disconnect(self.db_error)
+        super(ReadOnlyModeTest, self).tearDown()
 
     def db_error(self, *args, **kwargs):
         raise mysql.OperationalError("You can't do this in read-only mode.")
diff --git a/apps/amo/tests/test_search.py b/apps/amo/tests/test_search.py
index 0f1f39ca3f..06922c8982 100644
--- a/apps/amo/tests/test_search.py
+++ b/apps/amo/tests/test_search.py
@@ -343,6 +343,7 @@ class TestPaginator(amo.tests.ESTestCase):
         cls.setUpIndex()
 
     def setUp(self):
+        super(TestPaginator, self).setUp()
         self.request = request = mock.Mock()
         request.GET.get.return_value = 1
         request.GET.urlencode.return_value = ''
diff --git a/apps/amo/tests/test_send_mail.py b/apps/amo/tests/test_send_mail.py
index aaadc14c67..bf6b74b065 100644
--- a/apps/amo/tests/test_send_mail.py
+++ b/apps/amo/tests/test_send_mail.py
@@ -23,11 +23,13 @@ class TestSendMail(BaseTestCase):
     fixtures = ['base/users']
 
     def setUp(self):
+        super(TestSendMail, self).setUp()
         self._email_blacklist = list(getattr(settings, 'EMAIL_BLACKLIST', []))
 
     def tearDown(self):
         translation.activate('en_US')
         settings.EMAIL_BLACKLIST = self._email_blacklist
+        super(TestSendMail, self).tearDown()
 
     def test_send_string(self):
         to = 'f@f.com'
diff --git a/apps/amo/tests/test_storage_utils.py b/apps/amo/tests/test_storage_utils.py
index 95e938610b..dc2d2ad394 100644
--- a/apps/amo/tests/test_storage_utils.py
+++ b/apps/amo/tests/test_storage_utils.py
@@ -74,10 +74,12 @@ def test_rm_stored_dir():
 class TestFileOps(BaseTestCase):
 
     def setUp(self):
+        super(TestFileOps, self).setUp()
         self.tmp = tempfile.mkdtemp()
 
     def tearDown(self):
         rm_local_tmp_dir(self.tmp)
+        super(TestFileOps, self).tearDown()
 
     def path(self, path):
         return os.path.join(self.tmp, path)
diff --git a/apps/amo/tests/test_url_prefix.py b/apps/amo/tests/test_url_prefix.py
index 814d1f190b..c0c8e9344d 100644
--- a/apps/amo/tests/test_url_prefix.py
+++ b/apps/amo/tests/test_url_prefix.py
@@ -15,6 +15,7 @@ class MiddlewareTest(BaseTestCase):
     """Tests that the locale and app redirection work properly."""
 
     def setUp(self):
+        super(MiddlewareTest, self).setUp()
         self.rf = RequestFactory()
         self.middleware = LocaleAndAppURLMiddleware()
 
@@ -120,11 +121,12 @@ class MiddlewareTest(BaseTestCase):
         check('/en-US/firefox?lang=es-PE', '/es/firefox/')
 
 
-class TestPrefixer:
+class TestPrefixer(BaseTestCase):
 
     def tearDown(self):
         urlresolvers.clean_url_prefixes()
         set_script_prefix('/')
+        super(TestPrefixer, self).tearDown()
 
     def test_split_path(self):
 
@@ -170,6 +172,7 @@ class TestPrefixer:
 
     def test_reverse(self):
         # Make sure it works outside the request.
+        urlresolvers.clean_url_prefixes()  # Modified in BaseTestCase.
         eq_(urlresolvers.reverse('home'), '/')
 
         # With a request, locale and app prefixes work.
diff --git a/apps/amo/tests/test_views.py b/apps/amo/tests/test_views.py
index 05782a853e..874bf2d9f2 100644
--- a/apps/amo/tests/test_views.py
+++ b/apps/amo/tests/test_views.py
@@ -27,6 +27,7 @@ class Test403(amo.tests.TestCase):
     fixtures = ['base/users']
 
     def setUp(self):
+        super(Test403, self).setUp()
         assert self.client.login(username='regular@mozilla.com',
                                  password='password')
 
@@ -63,6 +64,7 @@ class TestCommon(amo.tests.TestCase):
     fixtures = ('base/users', 'base/global-stats', 'base/addon_3615')
 
     def setUp(self):
+        super(TestCommon, self).setUp()
         self.url = reverse('home')
 
     def login(self, user=None, get=False):
@@ -337,6 +339,7 @@ class TestOtherStuff(amo.tests.TestCase):
 class TestCSP(amo.tests.TestCase):
 
     def setUp(self):
+        super(TestCSP, self).setUp()
         self.url = reverse('amo.csp.report')
         self.create_sample(name='csp-store-reports')
 
diff --git a/apps/api/tests/test_oauth.py b/apps/api/tests/test_oauth.py
index 110a63ca45..db5af087ad 100644
--- a/apps/api/tests/test_oauth.py
+++ b/apps/api/tests/test_oauth.py
@@ -185,6 +185,7 @@ class BaseOAuth(TestCase):
     fixtures = ['base/users', 'base/appversion', 'base/licenses']
 
     def setUp(self):
+        super(BaseOAuth, self).setUp()
         self.editor = UserProfile.objects.get(email='editor@mozilla.com')
         self.admin = UserProfile.objects.get(email='admin@mozilla.com')
         consumers = []
diff --git a/apps/api/tests/test_urls.py b/apps/api/tests/test_urls.py
index 882568fc14..f40eebeb3f 100644
--- a/apps/api/tests/test_urls.py
+++ b/apps/api/tests/test_urls.py
@@ -15,6 +15,7 @@ class TestDRFSwitch(TestCase):
     fixtures = ['base/addon_3615']
 
     def setUp(self):
+        super(TestDRFSwitch, self).setUp()
         self.factory = RequestFactory()
         self.user = UserProfile.objects.get(email='del@icio.us')
 
diff --git a/apps/api/tests/test_views.py b/apps/api/tests/test_views.py
index a448beedc5..0e93455d5e 100644
--- a/apps/api/tests/test_views.py
+++ b/apps/api/tests/test_views.py
@@ -66,6 +66,7 @@ class UtilsTest(TestCase):
     fixtures = ['base/addon_3615']
 
     def setUp(self):
+        super(UtilsTest, self).setUp()
         self.a = Addon.objects.get(pk=3615)
 
     def test_dict(self):
@@ -695,6 +696,7 @@ class AddonFilterTest(TestCase):
     fixtures = ['base/appversion']
 
     def setUp(self):
+        super(AddonFilterTest, self).setUp()
         # Start with 2 compatible add-ons.
         self.addon1 = addon_factory(version_kw=dict(max_app_version='5.0'))
         self.addon2 = addon_factory(version_kw=dict(max_app_version='6.0'))
@@ -822,6 +824,7 @@ class TestGuidSearch(TestCase):
             '{2fa4ed95-0317-4c6a-a74c-5f3e3912c1f9}')
 
     def setUp(self):
+        super(TestGuidSearch, self).setUp()
         addon = Addon.objects.get(id=3615)
         c = CompatOverride.objects.create(guid=addon.guid)
         app = addon.compatible_apps.keys()[0]
@@ -932,6 +935,7 @@ class SearchTest(ESTestCase):
     no_results = """<searchresults total_results="0">"""
 
     def setUp(self):
+        super(SearchTest, self).setUp()
         self.addons = Addon.objects.filter(status=amo.STATUS_PUBLIC,
                                            disabled_by_user=False)
         t = Tag.objects.create(tag_text='ballin')
@@ -1271,13 +1275,11 @@ class LanguagePacks(UploadTest):
     fixtures = ['addons/listed']
 
     def setUp(self):
+        super(LanguagePacks, self).setUp()
         self.url = reverse('api.language', args=['1.5'])
         self.tb_url = self.url.replace('firefox', 'thunderbird')
         self.addon = Addon.objects.get(pk=3723)
 
-    def tearDown(self):
-        pass
-
     def test_search_language_pack(self):
         self.addon.update(type=amo.ADDON_LPAPP, status=amo.STATUS_PUBLIC)
         res = self.client.get(self.url)
diff --git a/apps/bandwagon/tests/test_models.py b/apps/bandwagon/tests/test_models.py
index 05de1a6bf4..6e277bde0f 100644
--- a/apps/bandwagon/tests/test_models.py
+++ b/apps/bandwagon/tests/test_models.py
@@ -33,6 +33,7 @@ class TestCollections(amo.tests.TestCase):
                 'base/user_4043307')
 
     def setUp(self):
+        super(TestCollections, self).setUp()
         self.user = UserProfile.objects.create(username='uhhh', email='uh@hh')
         self.other = UserProfile.objects.exclude(id=self.user.id)[0]
         amo.set_user(self.user)
diff --git a/apps/bandwagon/tests/test_views.py b/apps/bandwagon/tests/test_views.py
index 84548c605e..b2689527fc 100644
--- a/apps/bandwagon/tests/test_views.py
+++ b/apps/bandwagon/tests/test_views.py
@@ -238,6 +238,7 @@ class TestPrivacy(amo.tests.TestCase):
     fixtures = ['users/test_backends']
 
     def setUp(self):
+        super(TestPrivacy, self).setUp()
         # The favorites collection is created automatically.
         self.url = reverse('collections.detail', args=['jbalogh', 'favorites'])
         self.client.login(username='jbalogh@mozilla.com', password='password')
@@ -287,6 +288,7 @@ class TestVotes(amo.tests.TestCase):
     fixtures = ['users/test_backends']
 
     def setUp(self):
+        super(TestVotes, self).setUp()
         self.client.login(username='jbalogh@mozilla.com', password='password')
         args = ['fligtar', 'slug']
         Collection.objects.create(slug='slug', author_id=9945)
@@ -351,6 +353,7 @@ class TestCRUD(amo.tests.TestCase):
     fixtures = ('base/users', 'base/addon_3615', 'base/collections')
 
     def setUp(self):
+        super(TestCRUD, self).setUp()
         self.client = HappyUnicodeClient()
         self.add_url = reverse('collections.add')
         self.login_admin()
@@ -824,6 +827,7 @@ class TestChangeAddon(amo.tests.TestCase):
     fixtures = ['users/test_backends']
 
     def setUp(self):
+        super(TestChangeAddon, self).setUp()
         self.client.login(username='jbalogh@mozilla.com', password='password')
         self.add = reverse('collections.alter',
                            args=['jbalogh', 'mobile', 'add'])
@@ -924,6 +928,7 @@ class AjaxTest(amo.tests.TestCase):
                 'base/addon_5299_gcal', 'base/collections')
 
     def setUp(self):
+        super(AjaxTest, self).setUp()
         assert self.client.login(username='clouserw@gmail.com',
                                  password='password')
         self.user = UserProfile.objects.get(email='clouserw@gmail.com')
@@ -992,6 +997,7 @@ class TestWatching(amo.tests.TestCase):
     fixtures = ['base/users', 'base/collection_57181']
 
     def setUp(self):
+        super(TestWatching, self).setUp()
         self.collection = c = Collection.objects.get(id=57181)
         self.url = reverse('collections.watch',
                            args=[c.author.username, c.slug])
@@ -1064,6 +1070,7 @@ class TestCollectionListing(amo.tests.TestCase):
                 'base/collections', 'bandwagon/featured_collections']
 
     def setUp(self):
+        super(TestCollectionListing, self).setUp()
         cache.clear()
         self.url = reverse('collections.list')
 
@@ -1168,6 +1175,7 @@ class TestCollectionDetailFeed(amo.tests.TestCase):
     fixtures = ['base/collection_57181']
 
     def setUp(self):
+        super(TestCollectionDetailFeed, self).setUp()
         self.collection = c = Collection.objects.get(id=57181)
         self.feed_url = reverse('collections.detail.rss',
                                 args=[c.author.username, c.slug])
diff --git a/apps/browse/tests.py b/apps/browse/tests.py
index 0c3b0db505..c7187270d3 100644
--- a/apps/browse/tests.py
+++ b/apps/browse/tests.py
@@ -164,6 +164,7 @@ class TestListing(amo.tests.TestCase):
                 'base/addon_3615']
 
     def setUp(self):
+        super(TestListing, self).setUp()
         cache.clear()
         self.url = reverse('browse.extensions')
 
@@ -400,6 +401,7 @@ class TestFeeds(amo.tests.TestCase):
                 'base/addon_3615']
 
     def setUp(self):
+        super(TestFeeds, self).setUp()
         cache.clear()
         self.url = reverse('browse.extensions')
         self.rss_url = reverse('browse.extensions.rss')
@@ -494,6 +496,7 @@ class TestFeaturedLocale(amo.tests.TestCase):
                 'base/addon_3615_featuredcollection']
 
     def setUp(self):
+        super(TestFeaturedLocale, self).setUp()
         self.addon = Addon.objects.get(pk=3615)
         self.persona = Addon.objects.get(pk=15679)
         self.extension = Addon.objects.get(pk=2464)
@@ -729,6 +732,7 @@ class TestListingByStatus(amo.tests.TestCase):
     fixtures = ['base/addon_3615']
 
     def setUp(self):
+        super(TestListingByStatus, self).setUp()
         self.addon = Addon.objects.get(id=3615)
 
     def get_addon(self, addon_status, file_status):
@@ -1110,6 +1114,7 @@ class TestLegacyRedirects(amo.tests.TestCase):
 class TestCategoriesFeed(amo.tests.TestCase):
 
     def setUp(self):
+        super(TestCategoriesFeed, self).setUp()
         self.feed = feeds.CategoriesRss()
         self.u = u'Ελληνικά'
         self.wut = Translation(localized_string=self.u, locale='el')
@@ -1162,6 +1167,7 @@ class TestPersonas(amo.tests.TestCase):
                 'addons/featured', 'addons/persona')
 
     def setUp(self):
+        super(TestPersonas, self).setUp()
         self.landing_url = reverse('browse.personas')
         self.upandcoming_url = '{path}?sort=up-and-coming'.format(
             path=self.landing_url)
@@ -1341,6 +1347,7 @@ class TestMobileHeader(amo.tests.MobileTest, amo.tests.TestCase):
     fixtures = ['base/users']
 
     def setUp(self):
+        super(TestMobileHeader, self).setUp()
         self.url = reverse('browse.extensions')
 
     def get_pq(self):
diff --git a/apps/compat/tests.py b/apps/compat/tests.py
index 294f03f278..1f6aeaac19 100644
--- a/apps/compat/tests.py
+++ b/apps/compat/tests.py
@@ -44,6 +44,7 @@ class TestIndex(amo.tests.TestCase):
     # TODO: Test valid version processing here.
 
     def setUp(self):
+        super(TestIndex, self).setUp()
         self.url = reverse('compat.index', args=[amo.COMPAT[0]['main']])
         CompatTotals.objects.create(app=1, total=1)
 
@@ -71,6 +72,7 @@ class TestIndex(amo.tests.TestCase):
 class TestIncoming(amo.tests.TestCase):
 
     def setUp(self):
+        super(TestIncoming, self).setUp()
         self.url = reverse('compat.incoming')
         self.data = dict(incoming_data)
         self.json = json.dumps(self.data)
@@ -133,6 +135,7 @@ class TestReporterDetail(amo.tests.TestCase):
     fixtures = ['base/addon_3615']
 
     def setUp(self):
+        super(TestReporterDetail, self).setUp()
         self.addon = Addon.objects.get(id=3615)
         self.url = reverse('compat.reporter_detail', args=[self.addon.guid])
         self.reports = []
diff --git a/apps/devhub/tests/test_cron.py b/apps/devhub/tests/test_cron.py
index f24ab4b0b9..8128a703a9 100644
--- a/apps/devhub/tests/test_cron.py
+++ b/apps/devhub/tests/test_cron.py
@@ -36,6 +36,7 @@ class TestPurify(amo.tests.TestCase):
     fixtures = ['base/addon_3615']
 
     def setUp(self):
+        super(TestPurify, self).setUp()
         self.addon = Addon.objects.get(pk=3615)
 
     def test_no_html(self):
diff --git a/apps/devhub/tests/test_forms.py b/apps/devhub/tests/test_forms.py
index b7ec545cbf..f115ef0539 100644
--- a/apps/devhub/tests/test_forms.py
+++ b/apps/devhub/tests/test_forms.py
@@ -62,6 +62,7 @@ class TestContribForm(amo.tests.TestCase):
 class TestCharityForm(amo.tests.TestCase):
 
     def setUp(self):
+        super(TestCharityForm, self).setUp()
         self.paypal_mock = mock.Mock()
         self.paypal_mock.return_value = (True, None)
         paypal.check_paypal_id = self.paypal_mock
@@ -102,6 +103,7 @@ class TestPreviewForm(amo.tests.TestCase):
     fixtures = ['base/addon_3615']
 
     def setUp(self):
+        super(TestPreviewForm, self).setUp()
         self.dest = os.path.join(settings.TMP_PATH, 'preview')
         if not os.path.exists(self.dest):
             os.makedirs(self.dest)
@@ -135,6 +137,7 @@ class TestThemeForm(amo.tests.TestCase):
     fixtures = ['base/user_2519']
 
     def setUp(self):
+        super(TestThemeForm, self).setUp()
         self.populate()
         self.request = mock.Mock()
         self.request.groups = ()
@@ -380,6 +383,7 @@ class TestEditThemeForm(amo.tests.TestCase):
     fixtures = ['base/user_2519']
 
     def setUp(self):
+        super(TestEditThemeForm, self).setUp()
         self.populate()
         self.request = mock.Mock()
         self.request.groups = ()
@@ -576,6 +580,7 @@ class TestEditThemeOwnerForm(amo.tests.TestCase):
     fixtures = ['base/users']
 
     def setUp(self):
+        super(TestEditThemeOwnerForm, self).setUp()
         self.instance = Addon.objects.create(
             type=amo.ADDON_PERSONA,
             status=amo.STATUS_PUBLIC, slug='swag-overload',
diff --git a/apps/devhub/tests/test_helpers.py b/apps/devhub/tests/test_helpers.py
index 5b56462649..e41424937e 100644
--- a/apps/devhub/tests/test_helpers.py
+++ b/apps/devhub/tests/test_helpers.py
@@ -42,6 +42,7 @@ def test_dev_page_title():
 class TestDevBreadcrumbs(amo.tests.BaseTestCase):
 
     def setUp(self):
+        super(TestDevBreadcrumbs, self).setUp()
         self.request = Mock()
         self.request.APP = None
 
@@ -140,6 +141,7 @@ def test_log_action_class():
 class TestDisplayUrl(amo.tests.BaseTestCase):
 
     def setUp(self):
+        super(TestDisplayUrl, self).setUp()
         self.raw_url = u'http://host/%s' % 'フォクすけといっしょ'.decode('utf8')
 
     def test_utf8(self):
@@ -162,6 +164,7 @@ class TestDisplayUrl(amo.tests.BaseTestCase):
 class TestDevFilesStatus(amo.tests.TestCase):
 
     def setUp(self):
+        super(TestDevFilesStatus, self).setUp()
         self.addon = Addon.objects.create(type=1, status=amo.STATUS_UNREVIEWED)
         self.version = Version.objects.create(addon=self.addon)
         self.file = File.objects.create(version=self.version,
diff --git a/apps/devhub/tests/test_models.py b/apps/devhub/tests/test_models.py
index 114104cdc1..ee2bc547ad 100644
--- a/apps/devhub/tests/test_models.py
+++ b/apps/devhub/tests/test_models.py
@@ -26,6 +26,7 @@ class TestActivityLog(amo.tests.TestCase):
     fixtures = ['base/addon_3615']
 
     def setUp(self):
+        super(TestActivityLog, self).setUp()
         u = UserProfile.objects.create(username='yolo')
         self.request = Mock()
         self.request.amo_user = self.user = u
@@ -33,6 +34,7 @@ class TestActivityLog(amo.tests.TestCase):
 
     def tearDown(self):
         amo.set_user(None)
+        super(TestActivityLog, self).tearDown()
 
     def test_basic(self):
         a = Addon.objects.get()
@@ -178,6 +180,7 @@ class TestVersion(amo.tests.TestCase):
     fixtures = ['base/users', 'base/addon_3615', 'base/thunderbird']
 
     def setUp(self):
+        super(TestVersion, self).setUp()
         self.addon = Addon.objects.get(pk=3615)
         self.version = Version.objects.get(pk=81551)
         self.file = File.objects.get(pk=67442)
@@ -233,6 +236,7 @@ class TestActivityLogCount(amo.tests.TestCase):
     fixtures = ['base/addon_3615']
 
     def setUp(self):
+        super(TestActivityLogCount, self).setUp()
         now = datetime.now()
         bom = datetime(now.year, now.month, 1)
         self.lm = bom - timedelta(days=1)
diff --git a/apps/devhub/tests/test_perf.py b/apps/devhub/tests/test_perf.py
index aaac9c1f81..0b994045f2 100644
--- a/apps/devhub/tests/test_perf.py
+++ b/apps/devhub/tests/test_perf.py
@@ -19,6 +19,7 @@ class TestPerf(amo.tests.TestCase):
     fixtures = ['devhub/addon-validation-1']
 
     def setUp(self):
+        super(TestPerf, self).setUp()
         self.file = File.objects.get(
             version__addon__slug='searchaddon11102010')
 
diff --git a/apps/devhub/tests/test_tasks.py b/apps/devhub/tests/test_tasks.py
index 1f12c81c7a..5fe25de2f1 100644
--- a/apps/devhub/tests/test_tasks.py
+++ b/apps/devhub/tests/test_tasks.py
@@ -95,6 +95,7 @@ def _uploader(resize_size, final_size):
 class TestValidator(amo.tests.TestCase):
 
     def setUp(self):
+        super(TestValidator, self).setUp()
         self.upload = FileUpload.objects.create()
         assert not self.upload.valid
 
@@ -127,6 +128,7 @@ class TestFlagBinary(amo.tests.TestCase):
     fixtures = ['base/addon_3615']
 
     def setUp(self):
+        super(TestFlagBinary, self).setUp()
         self.addon = Addon.objects.get(pk=3615)
 
     @mock.patch('devhub.tasks.run_validator')
diff --git a/apps/devhub/tests/test_views.py b/apps/devhub/tests/test_views.py
index 429c42651e..eb8c5d7422 100644
--- a/apps/devhub/tests/test_views.py
+++ b/apps/devhub/tests/test_views.py
@@ -47,6 +47,7 @@ class HubTest(amo.tests.TestCase):
     fixtures = ['browse/nameless-addon', 'base/users']
 
     def setUp(self):
+        super(HubTest, self).setUp()
         self.url = reverse('devhub.index')
         assert self.client.login(username='regular@mozilla.com',
                                  password='password')
@@ -266,6 +267,7 @@ class TestUpdateCompatibility(amo.tests.TestCase):
     fixtures = ['base/users', 'base/addon_4594_a9', 'base/addon_3615']
 
     def setUp(self):
+        super(TestUpdateCompatibility, self).setUp()
         assert self.client.login(username='del@icio.us', password='password')
         self.url = reverse('devhub.addons')
 
@@ -275,6 +277,7 @@ class TestUpdateCompatibility(amo.tests.TestCase):
 
     def tearDown(self):
         amo.FIREFOX.latest_version, amo.MOBILE.latest_version = self._versions
+        super(TestUpdateCompatibility, self).tearDown()
 
     def test_no_compat(self):
         self.client.logout()
@@ -331,6 +334,7 @@ class TestDevRequired(amo.tests.TestCase):
     fixtures = ['base/users', 'base/addon_3615']
 
     def setUp(self):
+        super(TestDevRequired, self).setUp()
         self.addon = Addon.objects.get(id=3615)
         self.get_url = self.addon.get_dev_url('payments')
         self.post_url = self.addon.get_dev_url('payments.disable')
@@ -375,6 +379,7 @@ class TestVersionStats(amo.tests.TestCase):
     fixtures = ['base/users', 'base/addon_3615']
 
     def setUp(self):
+        super(TestVersionStats, self).setUp()
         assert self.client.login(username='admin@mozilla.com',
                                  password='password')
 
@@ -398,6 +403,7 @@ class TestEditPayments(amo.tests.TestCase):
     fixtures = ['base/users', 'base/addon_3615']
 
     def setUp(self):
+        super(TestEditPayments, self).setUp()
         self.addon = self.get_addon()
         self.addon.the_reason = self.addon.the_future = '...'
         self.addon.save()
@@ -606,6 +612,7 @@ class TestDisablePayments(amo.tests.TestCase):
     fixtures = ['base/users', 'base/addon_3615']
 
     def setUp(self):
+        super(TestDisablePayments, self).setUp()
         self.addon = Addon.objects.get(id=3615)
         self.addon.the_reason = self.addon.the_future = '...'
         self.addon.save()
@@ -633,6 +640,7 @@ class TestPaymentsProfile(amo.tests.TestCase):
     fixtures = ['base/users', 'base/addon_3615']
 
     def setUp(self):
+        super(TestPaymentsProfile, self).setUp()
         self.addon = a = self.get_addon()
         self.url = self.addon.get_dev_url('payments')
         # Make sure all the payment/profile data is clear.
@@ -716,6 +724,7 @@ class TestDelete(amo.tests.TestCase):
     fixtures = ['base/addon_3615']
 
     def setUp(self):
+        super(TestDelete, self).setUp()
         self.get_addon = lambda: Addon.objects.filter(id=3615)
         assert self.client.login(username='del@icio.us', password='password')
         self.get_url = lambda: self.get_addon()[0].get_dev_url('delete')
@@ -744,6 +753,7 @@ class TestHome(amo.tests.TestCase):
     fixtures = ['base/addon_3615', 'base/users']
 
     def setUp(self):
+        super(TestHome, self).setUp()
         assert self.client.login(username='del@icio.us', password='password')
         self.url = reverse('devhub.index')
 
@@ -879,6 +889,7 @@ class TestProfileBase(amo.tests.TestCase):
     fixtures = ['base/users', 'base/addon_3615']
 
     def setUp(self):
+        super(TestProfileBase, self).setUp()
         self.addon = Addon.objects.get(id=3615)
         self.version = self.addon.current_version
         self.url = self.addon.get_dev_url('profile')
@@ -1035,6 +1046,7 @@ class TestSubmitBase(amo.tests.TestCase):
     fixtures = ['base/addon_3615', 'base/addon_5579', 'base/users']
 
     def setUp(self):
+        super(TestSubmitBase, self).setUp()
         assert self.client.login(username='del@icio.us', password='password')
         self.addon = self.get_addon()
 
@@ -1078,6 +1090,7 @@ class TestSubmitStep2(amo.tests.TestCase):
     fixtures = ['base/users']
 
     def setUp(self):
+        super(TestSubmitStep2, self).setUp()
         self.client.login(username='regular@mozilla.com', password='password')
 
     def test_step_2_with_cookie(self):
@@ -1678,6 +1691,7 @@ class TestSubmitSteps(amo.tests.TestCase):
     fixtures = ['base/users', 'base/addon_3615']
 
     def setUp(self):
+        super(TestSubmitSteps, self).setUp()
         assert self.client.login(username='del@icio.us', password='password')
 
     def assert_linked(self, doc, numbers):
@@ -2616,6 +2630,7 @@ class TestDeleteAddon(amo.tests.TestCase):
     fixtures = ['base/users', 'base/addon_3615']
 
     def setUp(self):
+        super(TestDeleteAddon, self).setUp()
         self.addon = Addon.objects.get(id=3615)
         self.url = self.addon.get_dev_url('delete')
         self.client.login(username='admin@mozilla.com', password='password')
@@ -2638,6 +2653,7 @@ class TestRequestReview(amo.tests.TestCase):
     fixtures = ['base/users']
 
     def setUp(self):
+        super(TestRequestReview, self).setUp()
         self.addon = Addon.objects.create(type=1, name='xxx')
         self.version = Version.objects.create(addon=self.addon)
         self.file = File.objects.create(version=self.version,
@@ -2741,6 +2757,7 @@ class TestRedirects(amo.tests.TestCase):
     fixtures = ['base/users', 'base/addon_3615']
 
     def setUp(self):
+        super(TestRedirects, self).setUp()
         self.base = reverse('devhub.index')
         assert self.client.login(username='admin@mozilla.com',
                                  password='password')
@@ -2798,6 +2815,7 @@ class TestRemoveLocale(amo.tests.TestCase):
     fixtures = ['base/users', 'base/addon_3615']
 
     def setUp(self):
+        super(TestRemoveLocale, self).setUp()
         self.addon = Addon.objects.get(id=3615)
         self.url = reverse('devhub.addons.remove-locale', args=['a3615'])
         assert self.client.login(username='del@icio.us', password='password')
diff --git a/apps/devhub/tests/test_views_edit.py b/apps/devhub/tests/test_views_edit.py
index 6b81ad322a..cc451b6e0f 100644
--- a/apps/devhub/tests/test_views_edit.py
+++ b/apps/devhub/tests/test_views_edit.py
@@ -1259,6 +1259,7 @@ class TestThemeEdit(amo.tests.TestCase):
     fixtures = ['base/user_999']
 
     def setUp(self):
+        super(TestThemeEdit, self).setUp()
         self.addon = addon_factory(type=amo.ADDON_PERSONA)
         self.user = UserProfile.objects.get()
         self.addon.addonuser_set.create(user=self.user)
diff --git a/apps/devhub/tests/test_views_ownership.py b/apps/devhub/tests/test_views_ownership.py
index afb9716e58..7e321c5579 100644
--- a/apps/devhub/tests/test_views_ownership.py
+++ b/apps/devhub/tests/test_views_ownership.py
@@ -15,6 +15,7 @@ class TestOwnership(amo.tests.TestCase):
     fixtures = ['base/users', 'base/addon_3615']
 
     def setUp(self):
+        super(TestOwnership, self).setUp()
         self.addon = Addon.objects.get(id=3615)
         self.version = self.addon.current_version
         self.url = self.addon.get_dev_url('owner')
diff --git a/apps/devhub/tests/test_views_packager.py b/apps/devhub/tests/test_views_packager.py
index 16ed7c4d4a..d84a08ccd6 100644
--- a/apps/devhub/tests/test_views_packager.py
+++ b/apps/devhub/tests/test_views_packager.py
@@ -241,6 +241,7 @@ class TestPackagerDownload(amo.tests.TestCase):
     fixtures = ['base/users', 'base/appversion', 'base/addon_3615']
 
     def setUp(self):
+        super(TestPackagerDownload, self).setUp()
         self.url = lambda f: reverse('devhub.package_addon_json', args=[f])
 
     def _prep_mock_package(self, name):
diff --git a/apps/devhub/tests/test_views_perf.py b/apps/devhub/tests/test_views_perf.py
index 05ad5e2593..054cfc433f 100644
--- a/apps/devhub/tests/test_views_perf.py
+++ b/apps/devhub/tests/test_views_perf.py
@@ -27,9 +27,9 @@ class TestPerfViews(amo.tests.TestCase):
         self.perf_calls = None
 
     def tearDown(self):
-        super(TestPerfViews, self).tearDown()
         for p in self.patches:
             p.stop()
+        super(TestPerfViews, self).tearDown()
 
     def assert_call(self, expected_call):
         if not self.perf_calls:
diff --git a/apps/devhub/tests/test_views_submit.py b/apps/devhub/tests/test_views_submit.py
index c115e9af67..ed55e96872 100644
--- a/apps/devhub/tests/test_views_submit.py
+++ b/apps/devhub/tests/test_views_submit.py
@@ -15,6 +15,7 @@ class TestSubmitPersona(amo.tests.TestCase):
     fixtures = ['base/user_999']
 
     def setUp(self):
+        super(TestSubmitPersona, self).setUp()
         assert self.client.login(username='regular@mozilla.com',
                                  password='password')
         self.url = reverse('devhub.themes.submit')
diff --git a/apps/devhub/tests/test_views_validation.py b/apps/devhub/tests/test_views_validation.py
index 242e649eeb..5e593b1f37 100644
--- a/apps/devhub/tests/test_views_validation.py
+++ b/apps/devhub/tests/test_views_validation.py
@@ -97,6 +97,7 @@ class TestFileValidation(amo.tests.TestCase):
     fixtures = ['base/users', 'devhub/addon-validation-1']
 
     def setUp(self):
+        super(TestFileValidation, self).setUp()
         assert self.client.login(username='del@icio.us', password='password')
         self.user = UserProfile.objects.get(email='del@icio.us')
         self.file_validation = FileValidation.objects.get(pk=1)
@@ -215,9 +216,9 @@ class TestValidateFile(BaseUploadTest):
         self.addon = self.file.version.addon
 
     def tearDown(self):
-        super(TestValidateFile, self).tearDown()
         if storage.exists(self.file.file_path):
             storage.delete(self.file.file_path)
+        super(TestValidateFile, self).tearDown()
 
     @attr('validator')
     def test_lazy_validate(self):
diff --git a/apps/devhub/tests/test_views_versions.py b/apps/devhub/tests/test_views_versions.py
index cea05c4f26..8621063c5d 100644
--- a/apps/devhub/tests/test_views_versions.py
+++ b/apps/devhub/tests/test_views_versions.py
@@ -23,7 +23,8 @@ class TestVersion(amo.tests.TestCase):
     fixtures = ['base/users', 'base/addon_3615']
 
     def setUp(self):
-        assert self.client.login(username='del@icio.us', password='password')
+        super(TestVersion, self).setUp()
+        self.client.login(username='del@icio.us', password='password')
         self.user = UserProfile.objects.get(email='del@icio.us')
         self.addon = self.get_addon()
         self.version = Version.objects.get(id=81551)
@@ -344,19 +345,7 @@ class TestVersion(amo.tests.TestCase):
             set(['checkbox']))
 
 
-class TestVersionEdit(amo.tests.TestCase):
-    fixtures = ['base/users', 'base/addon_3615', 'base/thunderbird']
-
-    def setUp(self):
-        assert self.client.login(username='del@icio.us', password='password')
-        self.addon = self.get_addon()
-        self.version = self.get_version()
-        self.url = reverse('devhub.versions.edit',
-                           args=['a3615', self.version.id])
-        self.v1, _created = AppVersion.objects.get_or_create(
-            application=amo.FIREFOX.id, version='1.0')
-        self.v5, _created = AppVersion.objects.get_or_create(
-            application=amo.FIREFOX.id, version='5.0')
+class TestVersionEditMixin(object):
 
     def get_addon(self):
         return Addon.objects.no_cache().get(id=3615)
@@ -370,7 +359,23 @@ class TestVersionEdit(amo.tests.TestCase):
         return formset(*args, **defaults)
 
 
-class TestVersionEditMobile(TestVersionEdit):
+class TestVersionEditBase(TestVersionEditMixin, amo.tests.TestCase):
+    fixtures = ['base/users', 'base/addon_3615', 'base/thunderbird']
+
+    def setUp(self):
+        super(TestVersionEditBase, self).setUp()
+        self.client.login(username='del@icio.us', password='password')
+        self.addon = self.get_addon()
+        self.version = self.get_version()
+        self.url = reverse('devhub.versions.edit',
+                           args=['a3615', self.version.id])
+        self.v1, _created = AppVersion.objects.get_or_create(
+            application=amo.FIREFOX.id, version='1.0')
+        self.v5, _created = AppVersion.objects.get_or_create(
+            application=amo.FIREFOX.id, version='5.0')
+
+
+class TestVersionEditMobile(TestVersionEditBase):
 
     def setUp(self):
         super(TestVersionEditMobile, self).setUp()
@@ -391,7 +396,7 @@ class TestVersionEditMobile(TestVersionEdit):
             ['android', 'maemo'])
 
 
-class TestVersionEditDetails(TestVersionEdit):
+class TestVersionEditDetails(TestVersionEditBase):
 
     def setUp(self):
         super(TestVersionEditDetails, self).setUp()
@@ -477,13 +482,14 @@ class TestVersionEditDetails(TestVersionEdit):
             assert not Version.objects.get(pk=self.version.pk).source
 
 
-class TestVersionEditSearchEngine(TestVersionEdit):
+class TestVersionEditSearchEngine(TestVersionEditMixin,
+                                  amo.tests.BaseTestCase):
     # https://bugzilla.mozilla.org/show_bug.cgi?id=605941
     fixtures = ['base/users', 'base/thunderbird', 'base/addon_4594_a9.json']
 
     def setUp(self):
-        assert self.client.login(username='admin@mozilla.com',
-                                 password='password')
+        super(TestVersionEditSearchEngine, self).setUp()
+        self.client.login(username='admin@mozilla.com', password='password')
         self.url = reverse('devhub.versions.edit',
                            args=['a4594', 42352])
 
@@ -515,7 +521,7 @@ class TestVersionEditSearchEngine(TestVersionEdit):
         assert doc('a.add-file')
 
 
-class TestVersionEditFiles(TestVersionEdit):
+class TestVersionEditFiles(TestVersionEditBase):
 
     def setUp(self):
         super(TestVersionEditFiles, self).setUp()
@@ -659,12 +665,12 @@ class TestVersionEditFiles(TestVersionEdit):
             sorted([p.shortname for p in amo.MOBILE_PLATFORMS.values()]))
 
 
-class TestPlatformSearch(TestVersionEdit):
+class TestPlatformSearch(TestVersionEditMixin, amo.tests.BaseTestCase):
     fixtures = ['base/users', 'base/thunderbird', 'base/addon_4594_a9.json']
 
     def setUp(self):
-        assert self.client.login(username='admin@mozilla.com',
-                                 password='password')
+        super(TestPlatformSearch, self).setUp()
+        self.client.login(username='admin@mozilla.com', password='password')
         self.url = reverse('devhub.versions.edit',
                            args=['a4594', 42352])
         self.version = Version.objects.get(id=42352)
@@ -686,7 +692,7 @@ class TestPlatformSearch(TestVersionEdit):
         eq_(amo.PLATFORM_ALL.id, file_.platform)
 
 
-class TestVersionEditCompat(TestVersionEdit):
+class TestVersionEditCompat(TestVersionEditBase):
 
     def get_form(self, url=None):
         if not url:
diff --git a/apps/discovery/tests/test_views.py b/apps/discovery/tests/test_views.py
index 1be0446e84..abb2c100e1 100644
--- a/apps/discovery/tests/test_views.py
+++ b/apps/discovery/tests/test_views.py
@@ -307,6 +307,7 @@ class TestPane(amo.tests.TestCase):
                 'bandwagon/featured_collections']
 
     def setUp(self):
+        super(TestPane, self).setUp()
         self.url = reverse('discovery.pane', args=['3.7a1pre', 'Darwin'])
 
     def test_my_account(self):
@@ -397,6 +398,7 @@ class TestDetails(amo.tests.TestCase):
     fixtures = ['base/addon_3615', 'base/addon_592']
 
     def setUp(self):
+        super(TestDetails, self).setUp()
         self.addon = self.get_addon()
         self.detail_url = reverse('discovery.addons.detail',
                                   args=[self.addon.slug])
@@ -455,6 +457,7 @@ class TestPersonaDetails(amo.tests.TestCase):
     fixtures = ['addons/persona', 'base/users']
 
     def setUp(self):
+        super(TestPersonaDetails, self).setUp()
         self.addon = Addon.objects.get(id=15663)
         self.url = reverse('discovery.addons.detail', args=[self.addon.slug])
 
@@ -500,6 +503,7 @@ class TestDownloadSources(amo.tests.TestCase):
                 'discovery/discoverymodules']
 
     def setUp(self):
+        super(TestDownloadSources, self).setUp()
         self.url = reverse('discovery.pane', args=['3.7a1pre', 'Darwin'])
 
     def test_detail(self):
@@ -546,6 +550,7 @@ class TestMonthlyPick(amo.tests.TestCase):
                 'discovery/discoverymodules']
 
     def setUp(self):
+        super(TestMonthlyPick, self).setUp()
         self.url = reverse('discovery.pane.promos', args=['Darwin', '10.0'])
         self.addon = Addon.objects.get(id=3615)
         DiscoveryModule.objects.create(
@@ -600,6 +605,7 @@ class TestPaneMoreAddons(amo.tests.TestCase):
     fixtures = ['base/appversion']
 
     def setUp(self):
+        super(TestPaneMoreAddons, self).setUp()
         self.addon1 = addon_factory(hotness=99,
                                     version_kw=dict(max_app_version='5.0'))
         self.addon2 = addon_factory(hotness=0,
diff --git a/apps/editors/tests/test_forms.py b/apps/editors/tests/test_forms.py
index a6ec3136c8..60775fbe29 100644
--- a/apps/editors/tests/test_forms.py
+++ b/apps/editors/tests/test_forms.py
@@ -15,6 +15,7 @@ class TestReviewActions(amo.tests.TestCase):
     fixtures = ('base/users', 'base/addon_3615')
 
     def setUp(self):
+        super(TestReviewActions, self).setUp()
         self.addon = Addon.objects.get(pk=3615)
         self.version = self.addon.versions.all()[0]
 
diff --git a/apps/editors/tests/test_helpers.py b/apps/editors/tests/test_helpers.py
index 13d0872abb..49c1e733bd 100644
--- a/apps/editors/tests/test_helpers.py
+++ b/apps/editors/tests/test_helpers.py
@@ -162,6 +162,8 @@ class TestReviewHelper(amo.tests.TestCase):
     preamble = 'Mozilla Add-ons: Delicious Bookmarks 2.1.072'
 
     def setUp(self):
+        super(TestReviewHelper, self).setUp()
+
         class FakeRequest:
             amo_user = UserProfile.objects.get(pk=10482)
             user = amo_user
@@ -698,6 +700,7 @@ class TestCompareLink(amo.tests.TestCase):
     fixtures = ['base/addon_3615']
 
     def setUp(self):
+        super(TestCompareLink, self).setUp()
         self.addon = Addon.objects.get(pk=3615)
         self.current = File.objects.get(pk=67442)
         self.version = Version.objects.create(addon=self.addon)
diff --git a/apps/editors/tests/test_models.py b/apps/editors/tests/test_models.py
index 38ae3b8252..3033cec4cd 100644
--- a/apps/editors/tests/test_models.py
+++ b/apps/editors/tests/test_models.py
@@ -330,6 +330,7 @@ class TestEditorSubscription(amo.tests.TestCase):
     fixtures = ['base/addon_3615', 'base/users']
 
     def setUp(self):
+        super(TestEditorSubscription, self).setUp()
         self.addon = Addon.objects.get(pk=3615)
         self.version = self.addon.current_version
         self.user_one = UserProfile.objects.get(pk=55021)
@@ -387,6 +388,7 @@ class TestReviewerScore(amo.tests.TestCase):
     fixtures = ['base/users']
 
     def setUp(self):
+        super(TestReviewerScore, self).setUp()
         self.addon = amo.tests.addon_factory(status=amo.STATUS_NOMINATED)
         self.user = UserProfile.objects.get(email='editor@mozilla.com')
 
diff --git a/apps/editors/tests/test_views.py b/apps/editors/tests/test_views.py
index d535d35401..ae433c1d53 100644
--- a/apps/editors/tests/test_views.py
+++ b/apps/editors/tests/test_views.py
@@ -59,6 +59,7 @@ class EditorTest(amo.tests.TestCase):
 class TestEventLog(EditorTest):
 
     def setUp(self):
+        super(TestEventLog, self).setUp()
         self.login_as_editor()
         self.url = reverse('editors.eventlog')
         amo.set_user(UserProfile.objects.get(username='editor'))
@@ -118,6 +119,7 @@ class TestReviewLog(EditorTest):
     fixtures = EditorTest.fixtures + ['base/addon_3615']
 
     def setUp(self):
+        super(TestReviewLog, self).setUp()
         self.login_as_editor()
         self.url = reverse('editors.reviewlog')
 
@@ -300,6 +302,7 @@ class TestHome(EditorTest):
     fixtures = EditorTest.fixtures + ['base/addon_3615']
 
     def setUp(self):
+        super(TestHome, self).setUp()
         self.login_as_editor()
         self.url = reverse('editors.home')
         self.user = UserProfile.objects.get(id=5497308)
@@ -1090,6 +1093,7 @@ class TestPerformance(QueueTest):
 class SearchTest(EditorTest):
 
     def setUp(self):
+        super(SearchTest, self).setUp()
         self.login_as_editor()
 
     def named_addons(self, request):
@@ -1440,6 +1444,7 @@ class TestQueueSearchVersionSpecific(SearchTest):
 class ReviewBase(QueueTest):
 
     def setUp(self):
+        super(QueueTest, self).setUp()
         self.login_as_editor()
         self.addons = {}
 
@@ -2243,6 +2248,7 @@ class TestLeaderboard(EditorTest):
     fixtures = ['base/users']
 
     def setUp(self):
+        super(TestLeaderboard, self).setUp()
         self.url = reverse('editors.leaderboard')
 
         self.user = UserProfile.objects.get(email='editor@mozilla.com')
diff --git a/apps/editors/tests/test_views_themes.py b/apps/editors/tests/test_views_themes.py
index f6d34e87c6..b1a01febbc 100644
--- a/apps/editors/tests/test_views_themes.py
+++ b/apps/editors/tests/test_views_themes.py
@@ -26,6 +26,7 @@ class ThemeReviewTestMixin(object):
                 'editors/user_senior_persona_reviewer']
 
     def setUp(self):
+        super(ThemeReviewTestMixin, self).setUp()
         self.reviewer_count = 0
         self.status = amo.STATUS_PENDING
         self.flagged = False
@@ -605,6 +606,7 @@ class TestDeletedThemeLookup(amo.tests.TestCase):
                 'editors/user_senior_persona_reviewer']
 
     def setUp(self):
+        super(TestDeletedThemeLookup, self).setUp()
         self.deleted = addon_factory(type=amo.ADDON_PERSONA)
         self.deleted.update(status=amo.STATUS_DELETED)
 
@@ -625,6 +627,7 @@ class TestThemeSearch(amo.tests.ESTestCase):
     fixtures = ['editors/user_senior_persona_reviewer']
 
     def setUp(self):
+        super(TestThemeSearch, self).setUp()
         self.addon = addon_factory(type=amo.ADDON_PERSONA, name='themeteam',
                                    status=amo.STATUS_PENDING)
         self.refresh('default')
@@ -658,6 +661,7 @@ class TestDashboard(amo.tests.TestCase):
     fixtures = ['editors/user_senior_persona_reviewer']
 
     def setUp(self):
+        super(TestDashboard, self).setUp()
         self.request = amo.tests.req_factory_factory(
             reverse('editors.themes.home'), user=UserProfile.objects.get())
 
diff --git a/apps/files/tests/test_decorators.py b/apps/files/tests/test_decorators.py
index 634d4beafc..4a84e5ab9e 100644
--- a/apps/files/tests/test_decorators.py
+++ b/apps/files/tests/test_decorators.py
@@ -11,6 +11,7 @@ from files.decorators import allowed
 class AllowedTest(amo.tests.TestCase):
 
     def setUp(self):
+        super(AllowedTest, self).setUp()
         self.request = Mock()
         self.file = Mock()
 
diff --git a/apps/files/tests/test_helpers.py b/apps/files/tests/test_helpers.py
index 346c8ffbf9..e207f528fd 100644
--- a/apps/files/tests/test_helpers.py
+++ b/apps/files/tests/test_helpers.py
@@ -37,10 +37,12 @@ def make_file(pk, file_path, **kwargs):
 class TestFileHelper(amo.tests.TestCase):
 
     def setUp(self):
+        super(TestFileHelper, self).setUp()
         self.viewer = FileViewer(make_file(1, get_file('dictionary-test.xpi')))
 
     def tearDown(self):
         self.viewer.cleanup()
+        super(TestFileHelper, self).tearDown()
 
     def test_files_not_extracted(self):
         eq_(self.viewer.is_extracted(), False)
@@ -204,6 +206,7 @@ class TestSearchEngineHelper(amo.tests.TestCase):
     fixtures = ['base/addon_4594_a9']
 
     def setUp(self):
+        super(TestSearchEngineHelper, self).setUp()
         self.left = File.objects.get(pk=25753)
         self.viewer = FileViewer(self.left)
 
@@ -214,6 +217,7 @@ class TestSearchEngineHelper(amo.tests.TestCase):
 
     def tearDown(self):
         self.viewer.cleanup()
+        super(TestSearchEngineHelper, self).tearDown()
 
     def test_is_search_engine(self):
         assert self.viewer.is_search_engine()
@@ -235,6 +239,7 @@ class TestSearchEngineHelper(amo.tests.TestCase):
 class TestDiffSearchEngine(amo.tests.TestCase):
 
     def setUp(self):
+        super(TestDiffSearchEngine, self).setUp()
         src = os.path.join(settings.ROOT, get_file('search.xml'))
         if not storage.exists(src):
             with storage.open(src, 'w') as f:
@@ -244,6 +249,7 @@ class TestDiffSearchEngine(amo.tests.TestCase):
 
     def tearDown(self):
         self.helper.cleanup()
+        super(TestDiffSearchEngine, self).tearDown()
 
     @patch('files.helpers.FileViewer.is_search_engine')
     def test_diff_search(self, is_search_engine):
@@ -258,11 +264,13 @@ class TestDiffSearchEngine(amo.tests.TestCase):
 class TestDiffHelper(amo.tests.TestCase):
 
     def setUp(self):
+        super(TestDiffHelper, self).setUp()
         src = os.path.join(settings.ROOT, get_file('dictionary-test.xpi'))
         self.helper = DiffHelper(make_file(1, src), make_file(2, src))
 
     def tearDown(self):
         self.helper.cleanup()
+        super(TestDiffHelper, self).tearDown()
 
     def test_files_not_extracted(self):
         eq_(self.helper.is_extracted(), False)
diff --git a/apps/files/tests/test_models.py b/apps/files/tests/test_models.py
index 3443e38009..306296d2fc 100644
--- a/apps/files/tests/test_models.py
+++ b/apps/files/tests/test_models.py
@@ -290,6 +290,7 @@ class TestFile(amo.tests.TestCase, amo.tests.AMOPaths):
 class TestParseXpi(amo.tests.TestCase):
 
     def setUp(self):
+        super(TestParseXpi, self).setUp()
         for version in ('3.0', '3.6.*'):
             AppVersion.objects.create(application=amo.FIREFOX.id,
                                       version=version)
@@ -429,6 +430,7 @@ class TestParseAlternateXpi(amo.tests.TestCase, amo.tests.AMOPaths):
     # This install.rdf is completely different from our other xpis.
 
     def setUp(self):
+        super(TestParseAlternateXpi, self).setUp()
         for version in ('3.0', '4.0b3pre'):
             AppVersion.objects.create(application=amo.FIREFOX.id,
                                       version=version)
@@ -1031,6 +1033,7 @@ class TestCheckJetpackVersion(amo.tests.TestCase):
     fixtures = ['base/addon_3615']
 
     def setUp(self):
+        super(TestCheckJetpackVersion, self).setUp()
         self.addon = Addon.objects.get(id=3615)
         JetpackUpgrader().jetpack_versions('1.0', '1.1')
 
diff --git a/apps/files/tests/test_tasks.py b/apps/files/tests/test_tasks.py
index 22402e522c..1c97734e82 100644
--- a/apps/files/tests/test_tasks.py
+++ b/apps/files/tests/test_tasks.py
@@ -99,6 +99,7 @@ class TestRepackageJetpack(amo.tests.TestCase):
 
     def tearDown(self):
         storage.delete(self.tmp_file_path)
+        super(TestRepackageJetpack, self).tearDown()
 
     def create_temp_file(self):
         path = tempfile.mktemp(dir=settings.TMP_PATH)
diff --git a/apps/files/tests/test_utils_.py b/apps/files/tests/test_utils_.py
index d4fda637ae..c0fc6e3879 100644
--- a/apps/files/tests/test_utils_.py
+++ b/apps/files/tests/test_utils_.py
@@ -33,6 +33,7 @@ class TestFindJetpacks(amo.tests.TestCase):
     fixtures = ['base/addon_3615']
 
     def setUp(self):
+        super(TestFindJetpacks, self).setUp()
         File.objects.update(jetpack_version='1.0')
         self.file = File.objects.filter(version__addon=3615).get()
 
diff --git a/apps/files/tests/test_views.py b/apps/files/tests/test_views.py
index 715bf839f5..7893dd1753 100644
--- a/apps/files/tests/test_views.py
+++ b/apps/files/tests/test_views.py
@@ -28,13 +28,14 @@ not_binary = 'install.js'
 binary = 'dictionaries/ar.dic'
 
 
-class FilesBase:
+class FilesBase(object):
 
     def login_as_editor(self):
         assert self.client.login(username='editor@mozilla.com',
                                  password='password')
 
     def setUp(self):
+        super(FilesBase, self).setUp()
         self.addon = Addon.objects.get(pk=3615)
         self.dev = self.addon.authors.all()[0]
         self.regular = UserProfile.objects.get(pk=999)
@@ -73,6 +74,7 @@ class FilesBase:
 
     def tearDown(self):
         self.file_viewer.cleanup()
+        super(FilesBase, self).tearDown()
 
     def files_redirect(self, file):
         return reverse('files.redirect', args=[self.file.pk, file])
diff --git a/apps/landfill/tests/test_collections.py b/apps/landfill/tests/test_collections.py
index 2e3016f078..d4fdc2da63 100644
--- a/apps/landfill/tests/test_collections.py
+++ b/apps/landfill/tests/test_collections.py
@@ -12,6 +12,7 @@ from landfill.collection import generate_collection
 class CollectionsTests(amo.tests.TestCase):
 
     def setUp(self):
+        super(CollectionsTests, self).setUp()
         self.addon = Addon.objects.create(type=amo.ADDON_EXTENSION)
 
     def test_collections_themes_generation(self):
diff --git a/apps/landfill/tests/test_ratings.py b/apps/landfill/tests/test_ratings.py
index 8cf512611d..e2bf0969e6 100644
--- a/apps/landfill/tests/test_ratings.py
+++ b/apps/landfill/tests/test_ratings.py
@@ -10,6 +10,7 @@ from landfill.ratings import generate_ratings
 class RatingsTests(amo.tests.TestCase):
 
     def setUp(self):
+        super(RatingsTests, self).setUp()
         self.addon = Addon.objects.create(type=amo.ADDON_EXTENSION)
 
     def test_ratings_generation(self):
diff --git a/apps/landfill/tests/test_users.py b/apps/landfill/tests/test_users.py
index fa6d85900a..90c5cca6f9 100644
--- a/apps/landfill/tests/test_users.py
+++ b/apps/landfill/tests/test_users.py
@@ -11,6 +11,7 @@ from landfill.user import generate_addon_user_and_category, generate_user
 class RatingsTests(amo.tests.TestCase):
 
     def setUp(self):
+        super(RatingsTests, self).setUp()
         self.email = 'nobody@mozilla.org'
         self.addon = Addon.objects.create(type=amo.ADDON_EXTENSION)
 
diff --git a/apps/localizers/tests/test_views.py b/apps/localizers/tests/test_views.py
index b83395b7e5..8f7c620aec 100644
--- a/apps/localizers/tests/test_views.py
+++ b/apps/localizers/tests/test_views.py
@@ -57,6 +57,7 @@ class TestCategory(amo.tests.TestCase):
     fixtures = ['base/users']
 
     def setUp(self):
+        super(TestCategory, self).setUp()
         self.cat1 = Category.objects.create(name='Causes',
                                             type=amo.ADDON_EXTENSION)
         self.cat1.name = {'es': u'Campañas', 'zh-CN': u'原因'}
diff --git a/apps/paypal/tests/test.py b/apps/paypal/tests/test.py
index c67fe2ccc1..cad8606ac0 100644
--- a/apps/paypal/tests/test.py
+++ b/apps/paypal/tests/test.py
@@ -33,6 +33,7 @@ good_token = urllib.urlencode({'token': 'foo', 'secret': 'bar'})
 
 class TestPayKey(amo.tests.TestCase):
     def setUp(self):
+        super(TestPayKey, self).setUp()
         self.data = {'slug': 'xx',
                      'amount': 10,
                      'email': 'someone@somewhere.com',
diff --git a/apps/paypal/tests/test_views.py b/apps/paypal/tests/test_views.py
index 82aae309ae..4388a23e2c 100644
--- a/apps/paypal/tests/test_views.py
+++ b/apps/paypal/tests/test_views.py
@@ -60,6 +60,7 @@ sample_contribution = {
 class PaypalTest(amo.tests.TestCase):
 
     def setUp(self):
+        super(PaypalTest, self).setUp()
         self.url = reverse('amo.paypal')
         self.item = 1234567890
         self.client = Client()
diff --git a/apps/perf/tests.py b/apps/perf/tests.py
index 0d7419047f..0bd48e3b10 100644
--- a/apps/perf/tests.py
+++ b/apps/perf/tests.py
@@ -12,6 +12,7 @@ class TestModels(amo.tests.TestCase):
     fixtures = ['base/addon_3615', 'base/addon_5299_gcal', 'perf/index']
 
     def setUp(self):
+        super(TestModels, self).setUp()
         self.addon = Addon.objects.get(pk=3615)
         self.results = self.addon.performance.all()
         self.result = self.results[0]
diff --git a/apps/reviews/tests/test_feeds.py b/apps/reviews/tests/test_feeds.py
index 99202ef0f7..ddd13c8d6e 100644
--- a/apps/reviews/tests/test_feeds.py
+++ b/apps/reviews/tests/test_feeds.py
@@ -11,6 +11,7 @@ class FeedTest(amo.tests.TestCase):
     # Rub some unicode all over the reviews feed.
 
     def setUp(self):
+        super(FeedTest, self).setUp()
         self.feed = feeds.ReviewsRss()
         self.u = u'Ελληνικά'
         self.wut = Translation(localized_string=self.u, locale='el')
diff --git a/apps/reviews/tests/test_models.py b/apps/reviews/tests/test_models.py
index cbf82dbb4b..421dbe095e 100644
--- a/apps/reviews/tests/test_models.py
+++ b/apps/reviews/tests/test_models.py
@@ -72,6 +72,7 @@ class TestRefreshTest(amo.tests.ESTestCase):
     fixtures = ['base/users']
 
     def setUp(self):
+        super(TestRefreshTest, self).setUp()
         self.addon = Addon.objects.create(type=amo.ADDON_EXTENSION)
         self.user = UserProfile.objects.all()[0]
         self.refresh()
diff --git a/apps/reviews/tests/test_views.py b/apps/reviews/tests/test_views.py
index b5efa639c1..932e7dc792 100644
--- a/apps/reviews/tests/test_views.py
+++ b/apps/reviews/tests/test_views.py
@@ -17,6 +17,7 @@ class ReviewTest(amo.tests.TestCase):
     fixtures = ['reviews/dev-reply.json', 'base/admin']
 
     def setUp(self):
+        super(ReviewTest, self).setUp()
         self.addon = Addon.objects.get(id=1865)
 
     def login_dev(self):
@@ -469,6 +470,7 @@ class TestMobileReviews(amo.tests.MobileTest, amo.tests.TestCase):
     fixtures = ['reviews/dev-reply.json', 'base/admin', 'base/users']
 
     def setUp(self):
+        super(TestMobileReviews, self).setUp()
         self.addon = Addon.objects.get(id=1865)
         self.user = UserProfile.objects.get(email='regular@mozilla.com')
         self.login_regular()
diff --git a/apps/search/tests/test_middleware.py b/apps/search/tests/test_middleware.py
index ab56d09a17..f039e3ebae 100644
--- a/apps/search/tests/test_middleware.py
+++ b/apps/search/tests/test_middleware.py
@@ -11,6 +11,7 @@ from search.middleware import ElasticsearchExceptionMiddleware as ESM
 class TestElasticsearchExceptionMiddleware(amo.tests.TestCase):
 
     def setUp(self):
+        super(TestElasticsearchExceptionMiddleware, self).setUp()
         self.request = RequestFactory()
 
     @mock.patch('search.middleware.render')
diff --git a/apps/search/tests/test_views.py b/apps/search/tests/test_views.py
index 07685ee074..cfc82fc0ae 100644
--- a/apps/search/tests/test_views.py
+++ b/apps/search/tests/test_views.py
@@ -134,6 +134,7 @@ class TestESSearch(SearchBase):
         cls.setUpIndex()
 
     def setUp(self):
+        super(TestESSearch, self).setUp()
         self.url = reverse('search.search')
         self.addons = Addon.objects.filter(status=amo.STATUS_PUBLIC,
                                            disabled_by_user=False)
@@ -622,6 +623,7 @@ class TestPersonaSearch(SearchBase):
         cls.setUpIndex()
 
     def setUp(self):
+        super(TestPersonaSearch, self).setUp()
         self.url = urlparams(reverse('search.search'), atype=amo.ADDON_PERSONA)
 
     def _generate_personas(self):
@@ -1167,6 +1169,7 @@ class TestGenericAjaxSearch(TestAjaxSearch):
 class TestSearchSuggestions(TestAjaxSearch):
 
     def setUp(self):
+        super(TestSearchSuggestions, self).setUp()
         self.url = reverse('search.suggestions')
         self._addons += [
             amo.tests.addon_factory(name='addon persona',
diff --git a/apps/stats/tests/test_commands.py b/apps/stats/tests/test_commands.py
index 89fe8753ea..b58a4e5037 100644
--- a/apps/stats/tests/test_commands.py
+++ b/apps/stats/tests/test_commands.py
@@ -31,12 +31,14 @@ class FixturesFolderMixin(object):
             os.rmdir(dirpath)
 
     def setUp(self):
+        super(FixturesFolderMixin, self).setUp()
         self.clean_up_files()
         shutil.copytree(os.path.join(hive_folder, self.source_folder),
                         os.path.join(hive_folder, self.date))
 
     def tearDown(self):
         self.clean_up_files()
+        super(FixturesFolderMixin, self).tearDown()
 
 
 class TestADICommand(FixturesFolderMixin, amo.tests.TestCase):
diff --git a/apps/stats/tests/test_cron.py b/apps/stats/tests/test_cron.py
index 8fd8771b85..df286ba942 100644
--- a/apps/stats/tests/test_cron.py
+++ b/apps/stats/tests/test_cron.py
@@ -86,6 +86,7 @@ class TestIndexStats(amo.tests.TestCase):
     fixtures = ['stats/test_models']
 
     def setUp(self):
+        super(TestIndexStats, self).setUp()
         self.downloads = (DownloadCount.objects.order_by('-date')
                           .values_list('id', flat=True))
         self.updates = (UpdateCount.objects.order_by('-date')
diff --git a/apps/stats/tests/test_models.py b/apps/stats/tests/test_models.py
index 3b3d284d1c..5f5e3140df 100644
--- a/apps/stats/tests/test_models.py
+++ b/apps/stats/tests/test_models.py
@@ -37,6 +37,7 @@ class TestEmail(amo.tests.TestCase):
     fixtures = ['base/users', 'base/addon_3615']
 
     def setUp(self):
+        super(TestEmail, self).setUp()
         self.addon = Addon.objects.get(pk=3615)
         self.user = UserProfile.objects.get(pk=999)
 
diff --git a/apps/stats/tests/test_views.py b/apps/stats/tests/test_views.py
index 46442e4f83..354acb2a26 100644
--- a/apps/stats/tests/test_views.py
+++ b/apps/stats/tests/test_views.py
@@ -715,6 +715,7 @@ class TestResponses(ESStatsTest):
 class TestSiteQuery(amo.tests.TestCase):
 
     def setUp(self):
+        super(TestSiteQuery, self).setUp()
         self.start = datetime.date(2012, 1, 1)
         self.end = datetime.date(2012, 1, 31)
         for k in xrange(0, 15):
diff --git a/apps/translations/tests/test_models.py b/apps/translations/tests/test_models.py
index bbeae82224..e6a9a17b0b 100644
--- a/apps/translations/tests/test_models.py
+++ b/apps/translations/tests/test_models.py
@@ -83,9 +83,9 @@ class TranslationTestCase(BaseTestCase):
         translation.activate('en-US')
 
     def tearDown(self):
-        super(TranslationTestCase, self).tearDown()
         settings.REDIRECT_URL = self.redirect_url
         settings.REDIRECT_SECRET_KEY = self.redirect_secret_key
+        super(TranslationTestCase, self).tearDown()
 
     def test_meta_translated_fields(self):
         assert not hasattr(UntranslatedModel._meta, 'translated_fields')
diff --git a/apps/users/tests/test_forms.py b/apps/users/tests/test_forms.py
index 56a12099f7..40f3c1ce52 100644
--- a/apps/users/tests/test_forms.py
+++ b/apps/users/tests/test_forms.py
@@ -23,6 +23,7 @@ class UserFormBase(amo.tests.TestCase):
     fixtures = ['users/test_backends']
 
     def setUp(self):
+        super(UserFormBase, self).setUp()
         self.user = self.user_profile = UserProfile.objects.get(id='4043307')
         self.uidb64 = urlsafe_base64_encode(str(self.user.id))
         self.token = default_token_generator.make_token(self.user)
diff --git a/apps/users/tests/test_helpers.py b/apps/users/tests/test_helpers.py
index 08c7f9cf6b..3dc920a929 100644
--- a/apps/users/tests/test_helpers.py
+++ b/apps/users/tests/test_helpers.py
@@ -105,6 +105,7 @@ def test_user_link_unicode():
 class TestAddonUsersList(TestPersonas, amo.tests.TestCase):
 
     def setUp(self):
+        super(TestAddonUsersList, self).setUp()
         self.addon = Addon.objects.get(id=15663)
         self.persona = self.addon.persona
         self.create_addon_user(self.addon)
diff --git a/apps/users/tests/test_models.py b/apps/users/tests/test_models.py
index 69d522dc07..1ad07d9aea 100644
--- a/apps/users/tests/test_models.py
+++ b/apps/users/tests/test_models.py
@@ -350,10 +350,12 @@ class TestFlushURLs(amo.tests.TestCase):
     fixtures = ['base/user_2519']
 
     def setUp(self):
+        super(TestFlushURLs, self).setUp()
         _connect()
 
     def tearDown(self):
         _disconnect()
+        super(TestFlushURLs, self).tearDown()
 
     @patch('amo.tasks.flush_front_end_cache_urls.apply_async')
     def test_flush(self, flush):
diff --git a/apps/users/tests/test_views.py b/apps/users/tests/test_views.py
index 3d9c280989..a487459947 100644
--- a/apps/users/tests/test_views.py
+++ b/apps/users/tests/test_views.py
@@ -56,6 +56,7 @@ class UserViewBase(amo.tests.TestCase):
     fixtures = ['users/test_backends']
 
     def setUp(self):
+        super(UserViewBase, self).setUp()
         self.client = amo.tests.TestClient()
         self.client.get('/')
         self.user = UserProfile.objects.get(id='4043307')
@@ -293,6 +294,7 @@ class TestEditAdmin(UserViewBase):
     fixtures = ['base/users']
 
     def setUp(self):
+        super(TestEditAdmin, self).setUp()
         self.client.login(username='admin@mozilla.com', password='password')
         self.regular = self.get_user()
         self.url = reverse('users.admin_edit', args=[self.regular.pk])
@@ -388,6 +390,7 @@ class TestPasswordAdmin(UserViewBase):
     fixtures = ['base/users']
 
     def setUp(self):
+        super(TestPasswordAdmin, self).setUp()
         self.client.login(username='editor@mozilla.com', password='password')
         self.url = reverse('users.edit')
         self.correct = {'username': 'editor',
@@ -950,6 +953,7 @@ class TestUnsubscribe(UserViewBase):
     fixtures = ['base/users']
 
     def setUp(self):
+        super(TestUnsubscribe, self).setUp()
         self.user = UserProfile.objects.get(email='editor@mozilla.com')
 
     def test_correct_url_update_notification(self):
@@ -1021,6 +1025,7 @@ class TestReset(UserViewBase):
     fixtures = ['base/users']
 
     def setUp(self):
+        super(TestReset, self).setUp()
         user = UserProfile.objects.get(email='editor@mozilla.com')
         self.token = [urlsafe_base64_encode(str(user.id)),
                       default_token_generator.make_token(user)]
@@ -1128,6 +1133,7 @@ class TestRegistration(UserViewBase):
 class TestProfileView(UserViewBase):
 
     def setUp(self):
+        super(TestProfileView, self).setUp()
         self.user = UserProfile.objects.create(homepage='http://example.com')
         self.url = reverse('users.profile', args=[self.user.id])
 
@@ -1203,6 +1209,7 @@ class TestProfileSections(amo.tests.TestCase):
                 'reviews/dev-reply']
 
     def setUp(self):
+        super(TestProfileSections, self).setUp()
         self.user = UserProfile.objects.get(id=10482)
         self.url = reverse('users.profile', args=[self.user.id])
 
@@ -1413,6 +1420,7 @@ class TestThemesProfile(amo.tests.TestCase):
     fixtures = ['base/user_2519']
 
     def setUp(self):
+        super(TestThemesProfile, self).setUp()
         self.user = UserProfile.objects.get(pk=2519)
         self.url = self.user.get_user_url('themes')
 
@@ -1475,6 +1483,7 @@ class TestReportAbuse(amo.tests.TestCase):
     fixtures = ['base/users']
 
     def setUp(self):
+        super(TestReportAbuse, self).setUp()
         self.full_page = reverse('users.abuse', args=[10482])
 
     @patch('captcha.fields.ReCaptchaField.clean')
diff --git a/apps/versions/tests.py b/apps/versions/tests.py
index 2841f1661b..20af58cff4 100644
--- a/apps/versions/tests.py
+++ b/apps/versions/tests.py
@@ -427,12 +427,14 @@ class TestViews(amo.tests.TestCase):
     fixtures = ['addons/eula+contrib-addon']
 
     def setUp(self):
+        super(TestViews, self).setUp()
         self.old_perpage = views.PER_PAGE
         views.PER_PAGE = 1
         self.addon = Addon.objects.get(id=11730)
 
     def tearDown(self):
         views.PER_PAGE = self.old_perpage
+        super(TestViews, self).tearDown()
 
     def test_version_detail(self):
         base = '/en-US/firefox/addon/%s/versions/' % self.addon.slug
@@ -483,6 +485,7 @@ class TestFeeds(amo.tests.TestCase):
     rel_ns = {'atom': 'http://www.w3.org/2005/Atom'}
 
     def setUp(self):
+        super(TestFeeds, self).setUp()
         patcher = mock.patch.object(feeds, 'PER_PAGE', 1)
         patcher.start()
         self.addCleanup(patcher.stop)
@@ -564,6 +567,7 @@ class TestDownloadsBase(amo.tests.TestCase):
     fixtures = ['base/addon_5299_gcal', 'base/users']
 
     def setUp(self):
+        super(TestDownloadsBase, self).setUp()
         self.addon = Addon.objects.get(id=5299)
         self.file = File.objects.get(id=33046)
         self.beta_file = File.objects.get(id=64874)
@@ -786,6 +790,7 @@ class TestDownloadSource(amo.tests.TestCase):
     fixtures = ['base/addon_3615', 'base/admin', ]
 
     def setUp(self):
+        super(TestDownloadSource, self).setUp()
         self.addon = Addon.objects.get(pk=3615)
         self.version = self.addon._latest_version
         tdir = temp.gettempdir()
@@ -1007,6 +1012,7 @@ class TestMobileVersions(TestMobile):
 class TestApplicationsVersions(amo.tests.TestCase):
 
     def setUp(self):
+        super(TestApplicationsVersions, self).setUp()
         self.version_kw = dict(min_app_version='5.0', max_app_version='6.*')
 
     def test_repr_when_compatible(self):
diff --git a/apps/zadmin/tests/test_tasks.py b/apps/zadmin/tests/test_tasks.py
index e59a959234..e17b3a60a5 100644
--- a/apps/zadmin/tests/test_tasks.py
+++ b/apps/zadmin/tests/test_tasks.py
@@ -66,6 +66,7 @@ class TestLangpackFetcher(amo.tests.TestCase):
     LISTING = 'pretend-this-is-a-sha256-sum  win32/xpi/de-DE.xpi\n'
 
     def setUp(self):
+        super(TestLangpackFetcher, self).setUp()
         request_patch = mock.patch('zadmin.tasks.requests.get')
         self.mock_request = request_patch.start()
         self.addCleanup(request_patch.stop)
diff --git a/apps/zadmin/tests/test_views.py b/apps/zadmin/tests/test_views.py
index e2cdfdd424..af3b205933 100644
--- a/apps/zadmin/tests/test_views.py
+++ b/apps/zadmin/tests/test_views.py
@@ -48,6 +48,7 @@ class TestSiteEvents(amo.tests.TestCase):
     fixtures = ['base/users', 'zadmin/tests/siteevents']
 
     def setUp(self):
+        super(TestSiteEvents, self).setUp()
         self.client.login(username='admin@mozilla.com', password='password')
 
     def test_get(self):
@@ -147,6 +148,7 @@ class BulkValidationTest(amo.tests.TestCase):
     fixtures = ['base/addon_3615', 'base/appversion', 'base/users']
 
     def setUp(self):
+        super(BulkValidationTest, self).setUp()
         assert self.client.login(username='admin@mozilla.com',
                                  password='password')
         self.addon = Addon.objects.get(pk=3615)
@@ -167,6 +169,7 @@ class BulkValidationTest(amo.tests.TestCase):
 
     def tearDown(self):
         settings.TASK_USER_ID = self.old_task_user
+        super(BulkValidationTest, self).tearDown()
 
     def appversion(self, version, application=amo.FIREFOX.id):
         return AppVersion.objects.get(application=application,
@@ -1119,6 +1122,7 @@ class TestEmailPreview(amo.tests.TestCase):
     fixtures = ['base/addon_3615', 'base/users']
 
     def setUp(self):
+        super(TestEmailPreview, self).setUp()
         assert self.client.login(username='admin@mozilla.com',
                                  password='password')
         addon = Addon.objects.get(pk=3615)
@@ -1141,6 +1145,7 @@ class TestMonthlyPick(amo.tests.TestCase):
     fixtures = ['base/addon_3615', 'base/users']
 
     def setUp(self):
+        super(TestMonthlyPick, self).setUp()
         assert self.client.login(username='admin@mozilla.com',
                                  password='password')
         self.url = reverse('zadmin.monthly_pick')
@@ -1215,6 +1220,7 @@ class TestFeatures(amo.tests.TestCase):
     fixtures = ['base/users', 'base/collections', 'base/addon_3615.json']
 
     def setUp(self):
+        super(TestFeatures, self).setUp()
         assert self.client.login(username='admin@mozilla.com',
                                  password='password')
         self.url = reverse('zadmin.features')
@@ -1326,6 +1332,7 @@ class TestOAuth(amo.tests.TestCase):
     fixtures = ['base/users']
 
     def setUp(self):
+        super(TestOAuth, self).setUp()
         assert self.client.login(username='admin@mozilla.com',
                                  password='password')
 
@@ -1341,6 +1348,7 @@ class TestLookup(amo.tests.TestCase):
     fixtures = ['base/users']
 
     def setUp(self):
+        super(TestLookup, self).setUp()
         assert self.client.login(username='admin@mozilla.com',
                                  password='password')
         self.user = UserProfile.objects.get(pk=999)
@@ -1392,6 +1400,7 @@ class TestAddonSearch(amo.tests.ESTestCase):
     fixtures = ['base/users', 'base/addon_3615']
 
     def setUp(self):
+        super(TestAddonSearch, self).setUp()
         self.reindex(Addon)
         assert self.client.login(username='admin@mozilla.com',
                                  password='password')
@@ -1407,6 +1416,7 @@ class TestAddonAdmin(amo.tests.TestCase):
     fixtures = ['base/users', 'base/addon_3615']
 
     def setUp(self):
+        super(TestAddonAdmin, self).setUp()
         assert self.client.login(username='admin@mozilla.com',
                                  password='password')
         self.url = reverse('admin:addons_addon_changelist')
@@ -1424,6 +1434,7 @@ class TestAddonManagement(amo.tests.TestCase):
     fixtures = ['base/addon_3615', 'base/users']
 
     def setUp(self):
+        super(TestAddonManagement, self).setUp()
         self.addon = Addon.objects.get(pk=3615)
         self.url = reverse('zadmin.addon_manage', args=[self.addon.slug])
         self.client.login(username='admin@mozilla.com', password='password')
@@ -1488,6 +1499,7 @@ class TestJetpack(amo.tests.TestCase):
     fixtures = ['base/users']
 
     def setUp(self):
+        super(TestJetpack, self).setUp()
         self.url = reverse('zadmin.jetpack')
         self.client.login(username='admin@mozilla.com', password='password')
 
@@ -1603,6 +1615,7 @@ class TestCompat(amo.tests.ESTestCase):
     fixtures = ['base/users']
 
     def setUp(self):
+        super(TestCompat, self).setUp()
         self.url = reverse('zadmin.compat')
         self.client.login(username='admin@mozilla.com', password='password')
         self.app = amo.FIREFOX
@@ -1774,6 +1787,7 @@ class TestMemcache(amo.tests.TestCase):
     fixtures = ['base/addon_3615', 'base/users']
 
     def setUp(self):
+        super(TestMemcache, self).setUp()
         self.url = reverse('zadmin.memcache')
         cache.set('foo', 'bar')
         self.client.login(username='admin@mozilla.com', password='password')
@@ -1795,6 +1809,7 @@ class TestElastic(amo.tests.ESTestCase):
     fixtures = ['base/addon_3615', 'base/users']
 
     def setUp(self):
+        super(TestElastic, self).setUp()
         self.url = reverse('zadmin.elastic')
         self.client.login(username='admin@mozilla.com', password='password')
 
@@ -1809,6 +1824,7 @@ class TestEmailDevs(amo.tests.TestCase):
     fixtures = ['base/addon_3615', 'base/users']
 
     def setUp(self):
+        super(TestEmailDevs, self).setUp()
         self.login('admin')
         self.addon = Addon.objects.get(pk=3615)
 
diff --git a/lib/misc/tests/test_log.py b/lib/misc/tests/test_log.py
index 2fc2c37a85..42c344305f 100644
--- a/lib/misc/tests/test_log.py
+++ b/lib/misc/tests/test_log.py
@@ -45,6 +45,7 @@ class TestHekaStdLibLogging(amo.tests.TestCase):
     """
 
     def setUp(self):
+        super(TestHekaStdLibLogging, self).setUp()
         HEKA_CONF = {
             'encoder': 'heka.encoders.StdlibPayloadEncoder',
             'stream': {
@@ -67,6 +68,7 @@ class TestHekaStdLibLogging(amo.tests.TestCase):
 
     def tearDown(self):
         self.logger.handlers = self._orig_handlers
+        super(TestHekaStdLibLogging, self).tearDown()
 
     def test_oldstyle_sends_msg(self):
         msg = 'an error'
@@ -109,6 +111,7 @@ class TestRaven(amo.tests.TestCase):
         We need to set the settings.HEKA instance to use a
         DebugCaptureStream so that we can inspect the sent messages.
         """
+        super(TestRaven, self).setUp()
 
         heka = settings.HEKA
         HEKA_CONF = {
diff --git a/lib/video/tests.py b/lib/video/tests.py
index 28c0c4c94c..8944e84503 100644
--- a/lib/video/tests.py
+++ b/lib/video/tests.py
@@ -60,6 +60,7 @@ TOTEM_INFO_HAS_AUDIO=False
 class TestFFmpegVideo(amo.tests.TestCase):
 
     def setUp(self):
+        super(TestFFmpegVideo, self).setUp()
         self.video = ffmpeg.Video(files['good'])
         if not ffmpeg.Video.library_available():
             raise SkipTest
@@ -105,6 +106,7 @@ class TestFFmpegVideo(amo.tests.TestCase):
 class TestBadFFmpegVideo(amo.tests.TestCase):
 
     def setUp(self):
+        super(TestBadFFmpegVideo, self).setUp()
         self.video = ffmpeg.Video(files['bad'])
         if not self.video.library_available():
             raise SkipTest
@@ -129,6 +131,7 @@ class TestBadFFmpegVideo(amo.tests.TestCase):
 class TestTotemVideo(amo.tests.TestCase):
 
     def setUp(self):
+        super(TestTotemVideo, self).setUp()
         self.video = totem.Video(files['good'])
         self.video._call_indexer = Mock()
 
@@ -189,6 +192,7 @@ class TestTask(amo.tests.TestCase):
     # up all the time.
 
     def setUp(self):
+        super(TestTask, self).setUp()
         waffle.models.Switch.objects.create(name='video-encode', active=True)
         self.mock = Mock()
         self.mock.thumbnail_path = tempfile.mkstemp()[1]