code: def collection_name(self, request):
      if request.param == [] or request.param == "":
          pytest.skip("The collection name is invalid")
      yield request.param
  
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 3 for calling the TestOperations obj's underlying member method code with example usage: obj.collection_name(request) without return types