def CreateErrorNodeResult(self, node, error_msg=None):
    return rpc.RpcResult(data=(False, error_msg), node=self._GetNodeId(node))
@see L{RpcResultsBuilder}
dataset/ETHPy150Open ganeti/ganeti/test/py/cmdlib/testsupport/rpc_runner_mock.py/RpcResultsBuilder.CreateErrorNodeResult