def METHOD_NAME(test_images, tmp_path):
    fname1 = test_images / "stent.npz"
    vol1 = iio.volread(fname1)
    assert vol1.shape == (256, 128, 128)
    fname = tmp_path / "stent.bsdf"
    iio.volsave(fname, vol1)
    vol2 = iio.volread(fname)
    assert vol1.shape == vol2.shape
    assert np.all(vol1 == vol2)