code: def __init__(self, random_killer_handle, max_applications=1):
      self.max_applications = max_applications
      self.weighted_actions = [
          (self.create_application, 1),
          (self.verify_application, 4),
      ]
      self.applications = []
  
      self.random_killer = random_killer_handle
  
      # Deploy in parallel to avoid long test startup time.
      self.wait_for_applications_running(
          [
              self.create_application(blocking=False)
              for _ in range(max_applications)
          ]
      )
  
      self.random_killer.run.remote()
  
imports: import asyncio
  import logging
  import os
  import random
  import string
  import time
  from typing import List
  import requests
  import ray
  from ray import serve
  from ray.serve.context import _get_global_client
  from ray.cluster_utils import Cluster
  from ray._private.test_utils import safe_write_to_results_json
label_desc: Use image node_id 1 to create a new RandomTest object  with example: obj = RandomTest(random_killer_handle, max_applications)