diff --git a/SAS/TMSS/backend/test/t_subtasks.py b/SAS/TMSS/backend/test/t_subtasks.py
index c3a8c261bd74c019f4728aa4d525e376aad875cf..55a0d72397817a86c77cb68cc299044d70c1daf5 100755
--- a/SAS/TMSS/backend/test/t_subtasks.py
+++ b/SAS/TMSS/backend/test/t_subtasks.py
@@ -181,9 +181,9 @@ class SubTasksCreationFromTaskBluePrint(unittest.TestCase):
         self.assertEqual(None, subtask)
 
         # Next call will fail due to no qa_files object
-        # ValueError: Cannot create qa_plots subtask for task_blueprint id=1 because it has no qafile subtask(s)
-        with self.assertRaises(SubtaskCreationException):
-            subtask = create_qaplots_subtask_from_task_blueprint(task_blueprint)
+        subtask = create_qaplots_subtask_from_task_blueprint(task_blueprint)
+        # subtask object is None because QA file conversion is by default not enabled!!!!
+        self.assertEqual(None, subtask)
 
 
     def test_create_sequence_of_subtask_from_task_blueprint_with_QA_enabled(self):