def test_tonalanalysistools_ChordQualityIndicator_from_interval_class_segment_01():
segment = pitchtools.IntervalClassSegment([
pitchtools.NamedInversionEquivalentIntervalClass('minor', 3),
pitchtools.NamedInversionEquivalentIntervalClass('minor', 3),])
indicator = CQI.from_interval_class_segment(segment)
assert indicator == CQI('diminished', 'triad')