def test_decoder_creation(self):
    proto_filename = os.path.join(
        _CONFIG_PATH, 'example_kitti-step_motion_deeplab.textproto')
    model_options = _read_proto_file(proto_filename, config_pb2.ModelOptions())
    motion_decoder = builder.create_decoder(
        model_options, tf.keras.layers.experimental.SyncBatchNormalization,
        ignore_label=255)
    self.assertIsInstance(motion_decoder,
                          motion_deeplab_decoder.MotionDeepLabDecoder)