def METHOD_NAME():
    old_argv = sys.argv
    sys.argv = [sys.argv[0]]
    opt_keys = ['param_combined', 'dwf1.param1', 'dwf2.param2', 'force',
                'out_strat', 'mix_names']
    pos_results = ['dipy.txt']
    opt_results = [30, 10, 20, True, 'absolute', True]
    inputs = inputs_from_results(opt_results, opt_keys, optional=True)
    inputs.extend(inputs_from_results(pos_results))
    sys.argv.extend(inputs)
    dcwf = DummyCombinedWorkflow()
    param1, param2, combined = run_flow(dcwf)
    # generic flow params
    assert dcwf._force_overwrite
    assert dcwf._output_strategy == 'absolute'
    assert dcwf._mix_names
    # sub flow params
    assert param1 == 10
    assert param2 == 20
    # parent flow param
    assert combined == 30
    sys.argv = old_argv