def METHOD_NAME(test_images, tmp_path):
    fname1 = test_images / "stent.swf"
    fname2 = tmp_path / "stent.out.swf"
    F = iio.formats["swf"]
    assert F.name == "SWF"
    assert type(iio.formats[".swf"]) is type(F)
    assert type(iio.read(fname1).format) is type(F)
    assert type(iio.save(fname2).format) is type(F)