code: def test_command(command):
      """
      Launches the actual training.
      """
      sys.argv = command
      launcher = CoachLauncher()
      with pytest.raises(SystemExit) as e:
          launcher.launch()
      assert e.value.code == 0
  
file_path: coach/rl_coach/tests/test_dist_coach.py
imports: from configparser import ConfigParser
  import pytest
  import argparse
  import os
  from rl_coach.coach import CoachLauncher
  import sys
  from minio import Minio
label_desc: Use image node_id 2 for calling a global function with example usage: test_command(command) without return types