The reason of failed jenkins job in cluster-under-test will be shown in  a test result

PROD-36050
Change-Id: I1160d46e99751f4e714c459e3d07110958c913e3
diff --git a/tcp_tests/tests/system/test_ceph_operations.py b/tcp_tests/tests/system/test_ceph_operations.py
index cfff2b5..30fdd8d 100644
--- a/tcp_tests/tests/system/test_ceph_operations.py
+++ b/tcp_tests/tests/system/test_ceph_operations.py
@@ -106,11 +106,11 @@
             'HOST': 'xtra*',
             'HOST_TYPE': 'osd'
             }
-        add_node_pipeline = dt.start_job_on_jenkins(
+        job_result, job_description = dt.start_job_on_jenkins(
             job_name=job_name,
             job_parameters=job_parameters,
             verbose=True)
-        assert add_node_pipeline == 'SUCCESS'
+        assert job_result == 'SUCCESS', job_description
 
     def test_added_node(self):
         # root@osd001:~# ceph osd tree in
@@ -142,11 +142,11 @@
             'HOST': 'xtra*',
             'HOST_TYPE': 'osd'
             }
-        remove_node_pipeline = dt.start_job_on_jenkins(
+        job_result, job_description = dt.start_job_on_jenkins(
             job_name=job_name,
             job_parameters=job_parameters,
             verbose=True)
-        assert remove_node_pipeline == 'SUCCESS'
+        assert job_result == 'SUCCESS', job_description
 
 
 class TestCephMon(object):