SW-610: run all tests

LCS/Messaging/python/messaging/test/t_messagebus.py

@@ -501,4 +501,4 @@ class SendReceiveMessage(unittest.TestCase):
 
 if __name__ == '__main__':
     logging.basicConfig(format='%(asctime)s %(process)d %(levelname)s %(message)s', level=logging.INFO)
-    unittest.main(defaultTest='SendReceiveMessage')
+    unittest.main()