Implement support to report error,warning logs after every test case run.

Change-Id: Id5710e9ee3497b4bc1030d7fa69c182d2e1348c6
diff --git a/src/test/cordSubscriber/cordSubscriberTest.py b/src/test/cordSubscriber/cordSubscriberTest.py
index d7c3e04..2494d5c 100644
--- a/src/test/cordSubscriber/cordSubscriberTest.py
+++ b/src/test/cordSubscriber/cordSubscriberTest.py
@@ -35,6 +35,7 @@
 from portmaps import g_subscriber_port_map
 from OltConfig import *
 from CordTestServer import cord_test_onos_restart, cord_test_shell
+from CordLogger import CordLogger
 
 log.setLevel('INFO')
 
@@ -179,7 +180,7 @@
             self.test_status = True
 
 
-class subscriber_exchange(unittest.TestCase):
+class subscriber_exchange(CordLogger):
 
       apps = ('org.opencord.aaa', 'org.onosproject.dhcp')
       olt_apps = () #'org.opencord.cordmcast')