How to use the nidigital._visatype function in nidigital

def __init__(self, expected_value):
        _ScalarMatcher.__init__(self, _visatype.ViUInt32, expected_value)

def __init__(self, expected_size_or_value):
        _BufferMatcher.__init__(self, _visatype.ViChar, expected_size_or_value)

def test_convert_timedelta_to_milliseconds_int():
    test_result = convert_timedelta_to_milliseconds(datetime.timedelta(seconds=10), _visatype.ViInt32)
    assert test_result.value == 10000
    assert isinstance(test_result, _visatype.ViInt32)
    test_result = convert_timedelta_to_milliseconds(datetime.timedelta(seconds=-1), _visatype.ViInt32)
    assert test_result.value == -1000
    assert isinstance(test_result, _visatype.ViInt32)
    test_result = convert_timedelta_to_milliseconds(10.5, _visatype.ViInt32)
    assert test_result.value == 10500
    assert isinstance(test_result, _visatype.ViInt32)
    test_result = convert_timedelta_to_milliseconds(-1, _visatype.ViInt32)
    assert test_result.value == -1000
    assert isinstance(test_result, _visatype.ViInt32)