Fix output tests for core and pin tabulate version (#3313)

requirements.txt

@@ -13,5 +13,4 @@ pyyaml==3.11
 requests==2.9.1
 setuptools==30.4.0
 six==1.10.0
-tabulate==0.7.5
 vcrpy==1.10.3

src/azure-cli-core/setup.py

@@ -64,7 +64,7 @@ DEPENDENCIES = [
     'pyyaml',
     'requests',
     'six',
-    'tabulate',
+    'tabulate==0.7.7',
 ]
 
 if sys.version_info < (3, 4):

src/azure-cli-core/tests/test_output.py

@@ -14,16 +14,7 @@ from azure.cli.core._output import (OutputProducer, format_json, format_table,
 import azure.cli.core.util as util
 
 
-class TestOutput(unittest.TestCase):
-
-    @classmethod
-    def setUpClass(cls):
-        pass
-
-    @classmethod
-    def tearDownClass(cls):
-        pass
-
+class TestCoreCLIOutput(unittest.TestCase):
     def setUp(self):
         self.io = StringIO()
 
@@ -87,7 +78,7 @@ class TestOutput(unittest.TestCase):
         self.assertEqual(util.normalize_newlines(self.io.getvalue()), util.normalize_newlines(
             """Active    Val
 --------  --------
-       1  0b1f6472
+True      0b1f6472
 """))
 
     def test_out_table_list_of_lists(self):
@@ -124,7 +115,7 @@ qwerty  0b1f6472qwerty
         self.assertEqual(util.normalize_newlines(self.io.getvalue()), util.normalize_newlines(
             """Active    Name    Sub       Val
 --------  ------  --------  --------------
-       1  qwerty  0b1f6472  0b1f6472qwerty
+True      qwerty  0b1f6472  0b1f6472qwerty
 """))
 
     def test_out_table_no_query_yes_transformer_order(self):
@@ -141,7 +132,7 @@ qwerty  0b1f6472qwerty
         self.assertEqual(util.normalize_newlines(self.io.getvalue()), util.normalize_newlines(
             """Name    Val             Active    Sub
 ------  --------------  --------  --------
-qwerty  0b1f6472qwerty         1  0b1f6472
+qwerty  0b1f6472qwerty  True      0b1f6472
 """))
 
     # TSV output tests