code: def queue_observer():
      return QueueObserver(
          mock.MagicMock(), interval=0.01, retry_interval=0.01
      )
  
file_path: sacred/tests/test_observers/test_queue_observer.py
imports: from collections import OrderedDict
  from sacred.observers.queue import QueueObserver
  from sacred import Experiment
  import mock
  import pytest
label_desc: Use image node_id 1 for calling a global function with example usage: queue_observer() and returns: QueueObserver