code: def teardown_method(self):
      self.env.close()
      self.pixel_env.close()
  
file_path: garage/tests/garage/envs/wrappers/test_pixel_observation_wrapper.py
imports: import gym
  import numpy
  import pytest
  from garage.envs.wrappers import PixelObservationWrapper
label_desc: Use image node_id 2 for calling the TestPixelObservationWrapper obj's underlying member method code with example usage: obj.teardown_method() without return types