code: def test_proxy_state_update_starting_ready_always_timeout():
      """Test calling update method on ProxyState when the proxy state is STARTING and
      when the ready call always timed out.
  
      The proxy state started with STARTING. After update is called, ready calls takes
      very long time to finish. The state will eventually change to UNHEALTHY after all
      retries have exhausted.
      """
      proxy_state = _create_proxy_state()
      # When the proxy ready call always timeout, the proxy wrapper call
      # status will be PENDING.
      proxy_state._actor_proxy_wrapper.ready = (
          ProxyWrapperCallStatus.PENDING
      )
  
      # Ensure the proxy status before update is STARTING.
      assert proxy_state.status == ProxyStatus.STARTING
  
      # Continuously trigger update and wait for status to be changed.
      wait_for_condition(
          condition_predictor=_update_and_check_proxy_status,
          state=proxy_state,
          status=ProxyStatus.UNHEALTHY,
      )
  
imports: import json
  import time
  from typing import List, Tuple
  from unittest.mock import patch
  import pytest
  from ray._private.test_utils import wait_for_condition
  from ray.serve._private.cluster_node_info_cache import ClusterNodeInfoCache
  from ray.serve._private.common import ProxyStatus
  from ray.serve._private.constants import PROXY_HEALTH_CHECK_UNHEALTHY_THRESHOLD
  from ray.serve._private.proxy_state import ProxyState, ProxyStateManager, ProxyWrapper, ProxyWrapperCallStatus
  from ray.serve._private.test_utils import MockTimer
  from ray.serve._private.utils import Timer
  from ray.serve.config import DeploymentMode, HTTPOptions
  from ray.serve.schema import LoggingConfig
label_desc: Use image node_id 13 for calling a global function with example usage: test_proxy_state_update_starting_ready_always_timeout() without return types