def METHOD_NAME(fname='APS20ID_2022.dat'):
    bldat, labels = _tester(fname)
    assert('aps xsd' in bldat.name.lower())
    assert(1 == bldat.energy_column)
    assert('eV' == bldat.energy_units)
    assert(labels[0].startswith('mono_energy'))
    assert(labels[1].startswith('scaler_pre'))
    assert(labels[-1] == "xsp3_4_total")
    assert('it' in labels)