code: def invalid_names(self, request):
      if request.param is None:
          pytest.skip("None schema is valid")
      yield request.param
  
imports: import pytest
  from base.client_base import TestcaseBase
  from common import common_func
  from common import common_type
  from common.common_type import CaseLabel, CheckTasks
  from utils.util_pymilvus import *
label_desc: Use image node_id 1 for calling the TestResourceGroupParams obj's underlying member method code with example usage: obj.invalid_names(request) without return types