def METHOD_NAME(qdac):  # noqa
    arrangement = qdac.arrange(contacts={'plunger1': 1, 'plunger2': 2, 'plunger3': 3})
    qdac.start_recording_scpi()
    # -----------------------------------------------------------------------
    arrangement.set_virtual_voltage('plunger2', 0.5)
    # -----------------------------------------------------------------------
    commands = qdac.get_recorded_scpi_commands()
    assert commands == [
        'sour1:volt:mode fix',
        'sour1:volt 0.0',
        'sour2:volt:mode fix',
        'sour2:volt 0.5',
        'sour3:volt:mode fix',
        'sour3:volt 0.0',
    ]