def METHOD_NAME(self,
                  run_server1, run_server2, run_server3):
    sdf = ShareDataFrame("data_id1", self.qmpc_request)
    expected = ShareDataFrame("job_uuid", self.qmpc_request,
                              True, ShareDataFrameStatus.EXECUTE)
    assert sdf.variance([1, 2, 3]) == expected