[1.9.x] Fixed quad quoted ("""") docstring starts.

Backport of 9e3f6c7483 from master

tests/admin_views/tests.py

@@ -2430,7 +2430,7 @@ class AdminViewStringPrimaryKeyTest(TestCase):
         self.assertEqual(logentry.object_id, str(edited_obj.pk))
 
     def test_logentry_save(self):
-        """"
+        """
         LogEntry.action_time is a timestamp of the date when the entry was
         created. It shouldn't be updated on a subsequent save().
         """

tests/sessions_tests/tests.py

@@ -726,7 +726,7 @@ class SessionMiddlewareTests(TestCase):
         self.assertEqual(response['Vary'], 'Cookie')
 
     def test_empty_session_saved(self):
-        """"
+        """
         If a session is emptied of data but still has a key, it should still
         be updated.
         """