How to use the pymannkendall.trend_free_pre_whitening_modification_test function in pymannkendall

def test_trend_free_pre_whitening_modification_test(NoTrendData, TrendData, arbitrary_1d_data):
    # check with no trend data
    NoTrendRes = mk.trend_free_pre_whitening_modification_test(NoTrendData)
    assert NoTrendRes.trend == 'no trend'
    assert NoTrendRes.h == False
    assert NoTrendRes.p == 1.0
    assert NoTrendRes.z == 0
    assert NoTrendRes.Tau == 0.0
    
    # check with trendy data
    TrendRes = mk.trend_free_pre_whitening_modification_test(TrendData)
    assert TrendRes.trend == 'increasing'
    assert TrendRes.h == True
    assert TrendRes.p == 0.0
    assert TrendRes.Tau == 1.0
    
    # check with arbitrary data
    result = mk.trend_free_pre_whitening_modification_test(arbitrary_1d_data)
    assert result.trend == 'no trend'

def test_trend_free_pre_whitening_modification_test(NoTrendData, TrendData, arbitrary_1d_data):
    # check with no trend data
    NoTrendRes = mk.trend_free_pre_whitening_modification_test(NoTrendData)
    assert NoTrendRes.trend == 'no trend'
    assert NoTrendRes.h == False
    assert NoTrendRes.p == 1.0
    assert NoTrendRes.z == 0
    assert NoTrendRes.Tau == 0.0
    
    # check with trendy data
    TrendRes = mk.trend_free_pre_whitening_modification_test(TrendData)
    assert TrendRes.trend == 'increasing'
    assert TrendRes.h == True
    assert TrendRes.p == 0.0
    assert TrendRes.Tau == 1.0
    
    # check with arbitrary data
    result = mk.trend_free_pre_whitening_modification_test(arbitrary_1d_data)
    assert result.trend == 'no trend'
    assert result.h == False
    assert result.p == 0.7755465706913385
    assert result.z == -0.28512735834365455
    assert result.Tau == -0.010198135198135198
    assert result.s == -630.0
    assert result.var_s == 4866576.0

NoTrendRes = mk.trend_free_pre_whitening_modification_test(NoTrendData)
    assert NoTrendRes.trend == 'no trend'
    assert NoTrendRes.h == False
    assert NoTrendRes.p == 1.0
    assert NoTrendRes.z == 0
    assert NoTrendRes.Tau == 0.0
    
    # check with trendy data
    TrendRes = mk.trend_free_pre_whitening_modification_test(TrendData)
    assert TrendRes.trend == 'increasing'
    assert TrendRes.h == True
    assert TrendRes.p == 0.0
    assert TrendRes.Tau == 1.0
    
    # check with arbitrary data
    result = mk.trend_free_pre_whitening_modification_test(arbitrary_1d_data)
    assert result.trend == 'no trend'
    assert result.h == False
    assert result.p == 0.7755465706913385
    assert result.z == -0.28512735834365455
    assert result.Tau == -0.010198135198135198
    assert result.s == -630.0
    assert result.var_s == 4866576.0