code: def init_health_checkers(self, collection_name=None):
      c_name = collection_name
      checkers = {
          Op.insert: InsertChecker(collection_name=c_name),
          Op.upsert: UpsertChecker(collection_name=c_name),
          Op.flush: FlushChecker(collection_name=c_name),
          Op.search: SearchChecker(collection_name=c_name),
          Op.query: QueryChecker(collection_name=c_name),
          Op.delete: DeleteChecker(collection_name=c_name),
      }
      self.health_checkers = checkers
  
imports: import time
  import pytest
  import json
  from time import sleep
  from pymilvus import connections
  from chaos.checker import InsertChecker, UpsertChecker, FlushChecker, SearchChecker, QueryChecker, DeleteChecker, Op, ResultAnalyzer
  from utils.util_k8s import wait_pods_ready, get_milvus_instance_name
  from utils.util_log import test_log
  from chaos import chaos_commons
  from common import common_func
  from common.milvus_sys import MilvusSys
  from chaos.chaos_commons import assert_statistic
  from common.common_type import CaseLabel
  from chaos import constants
  from delayed_assert import assert_expectations
label_desc: Use image node_id 2 for calling the TestOperations obj's underlying member method code with example usage: obj.init_health_checkers(collection_name) without return types