def METHOD_NAME(fname='ESRF_SNBL_2013.dat'):
    bldat, labels = _tester(fname)
    assert(1 == bldat.energy_column)
    assert('eV' == bldat.energy_units)
    assert(len(labels) > 5)
    assert(labels[0]  == 'mon')
    assert(labels[1]  == 'det1')
    assert(labels[2]  == 'det2')