def CreateErrorNodeResult(self, node, error_msg=None):
    return rpc.RpcResult(data=(False, error_msg), node=self._GetNodeId(node))
take in a text and return the parsed stock transactions
dataset/ETHPy150Open ganeti/ganeti/test/py/cmdlib/testsupport/rpc_runner_mock.py/RpcResultsBuilder.CreateErrorNodeResult--crossover with--dataset/ETHPy150Open dimagi/commcare-hq/corehq/apps/commtrack/sms.py/StockReportParser.parse