code: def test_validate_specs(self):
      env_utils.validate_py_environment(self.env, episodes=10)
  
file_path: agents/tf_agents/environments/examples/tic_tac_toe_environment_test.py
imports: import numpy
  from tf_agents.environments import utils
  from tf_agents.environments.examples.tic_tac_toe_environment import TicTacToeEnvironment
  from tf_agents.trajectories.time_step import StepType
  from tf_agents.trajectories.time_step import TimeStep
  from tf_agents.utils import test_utils
label_desc: Use image node_id 2 for calling the TicTacToeEnvironmentTest obj's underlying member method code with example usage: obj.test_validate_specs() without return types