code: def index(self):
      self.client.get("/?val=3")
  
file_path: ray/release/k8s_tests/locustfile.py
imports: import locust
  from locust import task, HttpUser
  import logging
  from requests.adapters import HTTPAdapter
  from requests.packages.urllib3.util.retry import Retry
label_desc: Use image node_id 2 for calling the ServeTest obj's underlying member method code with example usage: obj.index() without return types