code: def test_max_and_skip_step(self):
      self.env.reset()
      self.env_wrap.reset()
      obs_wrap, reward_wrap, _, _ = self.env_wrap.step(1)
      reward = 0
      for _ in range(4):
          obs, r, _, _ = self.env.step(1)
          reward += r
  
      np.testing.assert_array_equal(obs, obs_wrap)
      np.testing.assert_array_equal(reward, reward_wrap)
  
      # done=True because both env stepped more than 4 times in total
      obs_wrap, _, done_wrap, _ = self.env_wrap.step(1)
      obs, _, done, _ = self.env.step(1)
  
      assert done
      assert done_wrap
      np.testing.assert_array_equal(obs, obs_wrap)
  
imports: import numpy
  from garage.envs.wrappers import MaxAndSkip
  from tests.fixtures.envs.dummy import DummyDiscretePixelEnv
label_desc: Use image node_id 4 for calling the TestMaxAndSkip obj's underlying member method code with example usage: obj.test_max_and_skip_step() without return types