Add comment explaining why test is failing

backend/secfit/workouts/tests/test_views.py

@@ -194,6 +194,9 @@ class WorkoutDetailTest(APITestCase):
         data = self.serialize(workout)
         self.assertEqual(len(data["files"]), 0)
 
+        # FIXME Properly include a file object in the payload
+        # As of now the file object is added to the payload, but is not present
+        # in the returned API response.
         file_path = data_dir / "test-file.txt"
         file_obj = SimpleUploadedFile(
             file_path.name,