def METHOD_NAME(file_list, calculation_plan=None):
    if calculation_plan is None:
        calculation_plan = CalculationPlan()
    dial = CalculationPrepare(
        file_list=file_list,
        calculation_plan=calculation_plan,
        measurement_file_path=tmp_path / "test1.xlsx",
        settings=part_settings,
        batch_manager=CalculationManager(),
    )
    qtbot.addWidget(dial)
    return dial