code: def teardown(self):
      chaos_res = CusResource(
          kind=self.chaos_config["kind"],
          group=constants.CHAOS_GROUP,
          version=constants.CHAOS_VERSION,
          namespace=constants.CHAOS_NAMESPACE,
      )
      meta_name = self.chaos_config.get("metadata", None).get(
          "name", None
      )
      chaos_res.delete(meta_name, raise_ex=False)
      sleep(2)
  
file_path: milvus/tests/python_client/chaos/test_chaos_apply_to_coord.py
imports: import threading
  import pytest
  import time
  from time import sleep
  from pathlib import Path
  from pymilvus import connections
  from common.cus_resource_opts import CustomResourceOperations
  from common.milvus_sys import MilvusSys
  import logging
  from utils.util_k8s import wait_pods_ready, get_milvus_instance_name, get_milvus_deploy_tool, find_activate_standby_coord_pod
  from utils.util_common import update_key_value, update_key_name, gen_experiment_config
  import constants
label_desc: Use image node_id 3 for calling the TestChaosApply obj's underlying member method code with example usage: obj.teardown() without return types