def METHOD_NAME():
    pairs = sunpy.io.read_file(TEST_RHESSI_IMAGE)
    assert isinstance(pairs, list)
    assert len(pairs) == 4
    assert all([len(p) == 2 for p in pairs])
    assert all([isinstance(p[0], np.ndarray) for p in pairs])
    assert all([isinstance(p[1],
                           sunpy.io.header.FileHeader) for p in pairs])