def METHOD_NAME(svs):
    true_svs = svs
    filename = os.path.join(ORB_DIR, 'S1_sv_file.txt')
    svs = read_txt_file(filename)
    assert [np.allclose(
        [(x-y).total_seconds() for x, y in zip(svs[0], true_svs[0])],
        np.zeros(len(svs[0]))
    )]
    assert [np.allclose(s, ts) for s, ts in zip(svs[1:], true_svs[1:])]