code: def test_method_propagation(self):
      cartpole_env = gym.spec("CartPole-v1").make()
      for method_name in ("render", "seed", "close"):
          setattr(cartpole_env, method_name, mock.MagicMock())
      env = gym_wrapper.GymWrapper(cartpole_env)
      env.render()
      self.assertEqual(1, cartpole_env.render.call_count)
      cartpole_env.render.assert_called_with("rgb_array")
      env.seed(0)
      self.assertEqual(1, cartpole_env.seed.call_count)
      cartpole_env.seed.assert_called_with(0)
      env.close()
      self.assertEqual(1, cartpole_env.close.call_count)
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import math
  from absl.testing.absltest import mock
  import gym
  import gym.spaces
  import numpy
  from tf_agents.environments import gym_wrapper
  from tf_agents.utils import test_utils
label_desc: Use image node_id 9 for calling the GymWrapperOnCartpoleTest obj's underlying member method code with example usage: obj.test_method_propagation() without return types