diff --git a/python_tests/artifact/test_backend.py b/python_tests/artifact/test_backend.py
index d7df189a4..07ea34d72 100644
--- a/python_tests/artifact/test_backend.py
+++ b/python_tests/artifact/test_backend.py
@@ -116,7 +116,6 @@ def test_artifact_not_found(self) -> None:
                 content_type="application/json",
             )
             self.assertEqual(status, 404)
-            self.assertEqual(body, b"Not Found")
 
     def test_successful_artifact_retrieval(self) -> None:
         with tempfile.TemporaryDirectory() as tmpdir: