Ticket #12885: 12885-test.diff

tests/generic_relations/tests.py

@@ -405 +405 @@
         # GenericRelations to models that use multi-table inheritance work.
         granite = ValuableRock.objects.create(name='granite', hardness=5)
         ValuableTaggedItem.objects.create(content_object=granite, tag="countertop", value=1)
+        self.assertEqual(ValuableRock.objects.filter(tags__tag="countertop").count(), 1)
         granite.delete()  # deleting the rock should delete the related tag.
         self.assertEqual(ValuableTaggedItem.objects.count(), 0)