code: def test(self):
      if tf.test.is_built_with_cuda():
          result = cuda_op.add_one([5, 4, 3, 2, 1])
          self.assertAllEqual(result, [6, 5, 4, 3, 2])
  
imports: import tensorflow
  from tensorflow.examples.adding_an_op import cuda_op
label_desc: Use image node_id 1 for calling the AddOneTest obj's underlying member method code with example usage: obj.test() without return types