code: def test_tutorial_main_functions():
      """tutorial testing function"""
      main_part01()
      main_part02()
      main_part03()
      main_part04()
      main_part05()
      main_part06()
  
imports: from tutorial_maze_env.part01_core_env.main import main
  from tutorial_maze_env.part02_renderer.main import main
  from tutorial_maze_env.part03_maze_env.main import main
  from tutorial_maze_env.part04_events.main import main
  from tutorial_maze_env.part05_reward.main import main
  from tutorial_maze_env.part06_struct_env.main import main
label_desc: Use image node_id 1 for calling a global function with example usage: test_tutorial_main_functions() without return types