Rewrote a test assertion so that it doesn't fail under Python 2.7. Th…

…anks to Florian Apolloner for the report.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@14400 bcc190cf-cafb-0310-a4f2-bffc1f526a37

tests/regressiontests/test_utils/python_25.py

@@ -21,7 +21,7 @@ def test_failure(self):
         with self.assertRaises(AssertionError) as exc_info:
             with self.assertNumQueries(2):
                 Person.objects.count()
-        self.assertEqual(str(exc_info.exception), "1 != 2 : 1 queries executed, 2 expected")
+        self.assertIn("1 queries executed, 2 expected", str(exc_info.exception))
 
         with self.assertRaises(TypeError):
             with self.assertNumQueries(4000):