code: def test_proxy_state_update_unhealthy_check_health_succeed():
      """Test calling update method on ProxyState when the proxy state has
      failed health checks and the next check_health call succeeded.
  
      The proxy state started with STARTING. After the next period of check_health
      call, the status changes to HEALTHY.
      """
      proxy_state = _create_proxy_state()
      proxy_state._consecutive_health_check_failures = 1
  
      assert proxy_state.status == ProxyStatus.STARTING
  
      # Continuously trigger update and status should change to HEALTHY.
      wait_for_condition(
          condition_predictor=_update_and_check_proxy_status,
          state=proxy_state,
          status=ProxyStatus.HEALTHY,
      )
  
      # Ensure _consecutive_health_check_failures has been reset
      assert proxy_state._consecutive_health_check_failures == 0
  
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 19 for calling a global function with example usage: test_proxy_state_update_unhealthy_check_health_succeed() without return types