code: def test_auto_init(shutdown_only):
      assert not ray.is_initialized()
      ray.get_runtime_context()
      assert ray.is_initialized()
  
imports: import ray
  import os
  import signal
  import time
  import sys
  import pytest
  import warnings
  from ray._private.test_utils import SignalActor
  from ray.util.scheduling_strategies import PlacementGroupSchedulingStrategy
  from ray.util.state import list_tasks
  from ray._private.test_utils import wait_for_condition
label_desc: Use image node_id 11 for calling a global function with example usage: test_auto_init(shutdown_only) without return types