diff --git a/tests/test_db_factory.py b/tests/test_db_factory.py
index 42dc82c..8d850b3 100644
--- a/tests/test_db_factory.py
+++ b/tests/test_db_factory.py
@@ -319,7 +319,7 @@ TestDBFactory
     results = control.database.results(control.user_id, control.application_id, request_values)
 
     for result in results[scenario_name]:
-      self.assertEqual(expected_results[result['building']], result[cte.INSEL_MEB])
+      self.assertEqual(expected_results[result['building']], result[cte.INSEL_MEB], f"building '{result['building']}' saved results does not match expected results")
 
     for _id in city_objects_id:
       control.database.delete_results_by_name(cte.INSEL_MEB, city_object_id=_id)