code: def test_dummy_maze_env():
      """
      Unit test for the DummyEnvironment
      """
      env = build_dummy_maze_env()
      _ = env.reset()
  
      for _ in range(10):
          action = env.action_space.sample()
          observation, _, _, _ = env.step(action)
  
      # check if actor is done
      assert not env.is_actor_done()
  
      env.close()
  
imports: from gym import spaces
  from maze.test.shared_test_utils.dummy_env.dummy_struct_env import DummyStructuredEnvironment
  from maze.test.shared_test_utils.helper_functions import build_dummy_maze_env, build_dummy_maze_env_with_structured_core_env
label_desc: Use image node_id 1 for calling a global function with example usage: test_dummy_maze_env() without return types