code: def test_string_game_v1(self):
      env = Gym(env_name="StringGame-v1")
      env.seed(313)
      mean_acc_reward = self._test_env(env)
      assert 1.0 >= mean_acc_reward
  
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 2 for calling the TestPOMDPEnvironment obj's underlying member method code with example usage: obj.test_string_game_v1() without return types