def METHOD_NAME(self, data_test_dir):
    with open(os.path.join(data_test_dir, "test_czi.czi"), "rb") as f_p:
        buffer = BytesIO(f_p.read())
    image = CziImageReader.read_image(buffer)
    assert image.channels == 4
    assert image.layers == 1
    assert image.file_path == ""
    assert np.all(np.isclose(image.spacing, (7.752248561753867e-08,) * 2))