code: def test_does_not_modify_action(self):
      a = self.env.action_space.sample()
      a_copy = a
      self.env.reset()
      self.env.step(a)
      assert a == a_copy
  
imports: from garage.envs import GymEnv, normalize
label_desc: Use image node_id 3 for calling the TestNormalizedGym obj's underlying member method code with example usage: obj.test_does_not_modify_action() without return types