ISPyB DB session fixture attached to the MagicMock object incorrectly

Author: tieneupin

tests/workflows/clem/test_register_preprocessing_results.py

@@ -189,7 +189,7 @@ def test_run_with_db(
     mock_get_security_config.return_value = mock_security_config
 
     mock_ispyb_session_factory = MagicMock(return_value=ispyb_db_session)
-    mock_ispyb_session_factory.return_value = ispyb_db_session
+    mock_ispyb_session_factory.__enter__.return_value = ispyb_db_session
     # mock_ispyb_sessionmaker = mocker.patch(
     mocker.patch(
         "murfey.server.ispyb.sessionmaker", return_value=mock_ispyb_session_factory