def METHOD_NAME():
    reference = pd.Series(['a', 'a', 'b', 'b', 'c', 'c'], name='A')
    analysis = pd.Series(['b', 'b', 'b', 'b', 'b'], name='A')
    infnorm = LInfinityDistance(chunker=chunker, threshold=threshold)
    infnorm.fit(reference)
    distance = infnorm.calculate(analysis)
    assert np.round(distance, 2) == 0.67