code: def setUpClass(cls):
      cls.kwargs = {
          "connection_data": {
              "host": "localhost",
              "port": 33577,
              "user": "root",
              "password": "",
              "database": "vitess",
          }
      }
      cls.handler = VitessHandler("test_vitess_handler", **cls.kwargs)
  
file_path: mindsdb/mindsdb/integrations/handlers/vitess_handler/tests/test_vitess_handler.py
imports: import unittest
  from mindsdb.integrations.handlers.vitess_handler.vitess_handler import VitessHandler
  from mindsdb.integrations.libs.response import RESPONSE_TYPE
label_desc: Use image node_id 1 for calling the VitessHandlerTest obj's underlying member method code with example usage: obj.setUpClass(cls) without return types