=================================== FAILURES ===================================
______________________ VdsmClientTests.test_failing_call _______________________

self = <stomprpcclient_test.VdsmClientTests testMethod=test_failing_call>

    def test_failing_call(self):
        with self._create_client() as client:
            with self.assertRaises(ServerError) as ex:
>               client.Test.failingCall()

lib/yajsonrpc/stomprpcclient_test.py:144:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

    def _call(self, namespace, method_name, **kwargs):
        """
        Client call method, executes a given command

        Args:
            namespace (string): namespace name
            method_name (string): method name
            **kwargs: Arbitrary keyword arguments

        Returns:
            method result

        Raises:
            ClientError: in case of an error in the protocol.
            TimeoutError: if there is no response after a pre configured time.
            ServerError: in case of an error while executing the command
        """
        method = namespace + "." + method_name
        timeout = kwargs.pop("_timeout", self._default_timeout)

        req = yajsonrpc.JsonRpcRequest(
            method, kwargs, reqId=str(uuid.uuid4()))

        try:
            responses = self._client.call(
                req, timeout=timeout, flow_id=self._flow_id)
        except EnvironmentError as e:
            raise ClientError(method, kwargs, e)

        if not responses:
>           raise TimeoutError(method, kwargs, timeout)
E           vdsm.client.TimeoutError: Request Test.failingCall with args {} timed out after 3 seconds

../lib/vdsm/client.py:294: TimeoutError