Bug 1141519: Don't switch to content scope for logging the test end; r=jgriffin

--HG--
extra : commitid : IC9y6Vij4Fj
extra : rebase_source : b54d233528ffd1713bef0e2c6bae2c5b484b04fc

testing/marionette/client/marionette/marionette_test.py

@@ -691,7 +691,6 @@ class MarionetteTestCase(CommonTestCase):
 
     def tearDown(self):
         if not self.marionette.check_for_crash():
-           self.marionette.set_context("content")
            self.marionette.clear_imported_scripts()
            self.marionette.execute_script("log('TEST-END: %s:%s')" %
                                           (self.filepath.replace('\\', '\\\\'), self.methodName))