code: def testResetPassesObservation(self):
      env = MockEnvironment()
      env = preprocessing.AtariPreprocessing(
          env, frame_skip=1, screen_size=16
      )
      observation = env.reset()
  
      self.assertEqual(observation.shape, (16, 16, 1))
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from gym import core
  import numpy
  import tensorflow
  from tf_agents.environments import atari_preprocessing
label_desc: Use image node_id 1 for calling the AtariPreprocessingTest obj's underlying member method code with example usage: obj.testResetPassesObservation() without return types