code: def test_yaml_run(self):
      assert os.popen(
          f"python {rllib_dir}/scripts.py train file tuned_examples/simple_q/"
          f"cartpole-simpleq-test.yaml"
      ).read()
  
imports: import os
  from pathlib import Path
  import re
  import sys
  import unittest
  from unittest import mock
  import ray
  from ray import air, tune
  from ray.rllib.algorithms.algorithm_config import AlgorithmConfig
  from ray.rllib.examples.env.multi_agent import MultiAgentCartPole
  from ray.rllib.utils.test_utils import framework_iterator
  from ray.tune.registry import get_trainable_cls
  from ray.rllib.core.rl_module.rl_module import SingleAgentRLModuleSpec
  from ray.rllib.core.rl_module.marl_module import MultiAgentRLModuleSpec
label_desc: Use image node_id 3 for calling the TestCLISmokeTests obj's underlying member method code with example usage: obj.test_yaml_run() without return types