diff --git a/SAS/TMSS/backend/test/t_permissions_system_roles.py b/SAS/TMSS/backend/test/t_permissions_system_roles.py
index 2f8f9a8940e68f44b01666b03f2be3ec7caa4c9e..5d05682bec00597c71fc3ae94f46eaf6cc35a0d9 100755
--- a/SAS/TMSS/backend/test/t_permissions_system_roles.py
+++ b/SAS/TMSS/backend/test/t_permissions_system_roles.py
@@ -95,7 +95,7 @@ class SystemPermissionTestCase(unittest.TestCase):
                                                          specifications_doc=obs_spec,
                                                          cluster_url=cluster_url,
                                                          task_blueprint_url=obs_task_blueprint['url'],
-                                                         raw_feedback=' ')
+                                                         raw_feedback='Observation.Correlator.channelWidth=3051.7578125')
             obs_subtask = test_data_creator.post_data_and_get_response_as_json_object(obs_subtask_data, '/subtask/')
             cls.obs_subtask_id = obs_subtask['id']
             obs_subtask_output_url = test_data_creator.post_data_and_get_url(