SW-609: Fix Exception.message issue in test_ra_service_and_rpc.py

SAS/ResourceAssignment/ResourceAssignmentService/test/test_ra_service_and_rpc.py

@@ -83,12 +83,12 @@ try:
                 # test non existing service method, should timeout
                 with self.assertRaises(ValueError) as cm:
                     rpc.rpc('foo', timeout=1)
-                    self.assertEqual(cm.exception.message, "{'backtrace': '', 'state': 'TIMEOUT', 'errmsg': 'RPC Timed out'}")
+                    self.assertEqual(str(cm.exception), "{'backtrace': '', 'state': 'TIMEOUT', 'errmsg': 'RPC Timed out'}")
 
                 ## test method with wrong args
                 #with self.assertRaises(TypeError) as cm:
                     #rpc.rpc('GetTasks', timeout=1, fooarg='bar')
-                    #self.assertTrue('got an unexpected keyword argument \'fooarg\'' in cm.exception.message)
+                    #self.assertTrue('got an unexpected keyword argument \'fooarg\'' in str(cm.exception))
 
         # create and run the service
         with createService(busname=busname):