class_docstr: Mock environment for testing.
class_docstr_tok: ["Mock","environment","for","testing","."]
code: def __init__(self, max_steps=10, reward_multiplier=1):
      self._observation = 0
      self.max_steps = max_steps
      self.reward_multiplier = reward_multiplier
      self.game_over = False
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import os
  import shutil
  from absl import flags
  from dopamine.discrete_domains import logger
  import mock
  import numpy
  from tensor2tensor.rl import dopamine_connector
  import tensorflow.compat.v1
label_desc: Use image node_id 1 to create a new MockEnvironment object from inherited base classes: object with example: obj = MockEnvironment(max_steps, reward_multiplier)