Merge pull request #35128 from dimagi/dm/check-cleanup

Add assertion to rule out bad test cleanup

corehq/apps/dump_reload/tests/test_couch_dump_load.py

@@ -141,6 +141,10 @@ def test_multimedia(self):
             image_data = f.read()
 
         image = CommCareImage.get_by_data(image_data)
+        assert not image.blobs, (
+            f"Expected empty blobs, got {image.blobs!r}. Failure indicates"
+            "incomplete cleanup by a test that ran before this one."
+        )
         image.attach_data(image_data, original_filename='logo.png')
         image.add_domain(self.domain_name)
         self.assertEqual(image_data, image.get_display_file(False))