code: def test_pocman(self):
      env = Gym(env_name="Pocman-v0")
      env.seed(313)
      mean_acc_reward = self._test_env(env)
      assert -80 <= mean_acc_reward <= -70
  
file_path: ReAgent/reagent/gym/tests/test_pomdp.py
imports: import logging
  import time
  import unittest
  import numpy
  from reagent.gym.envs import Gym
label_desc: Use image node_id 4 for calling the TestPOMDPEnvironment obj's underlying member method code with example usage: obj.test_pocman() without return types