code: def setUpClass(cls):
      cls.kwargs = {
          "host": "localhost",
          "port": "4000",
          "user": "root",
          "password": "root",
          "database": "test",
          "ssl": False,
      }
      cls.handler = TiDBHandler("test_tidb_handler", **cls.kwargs)
  
file_path: mindsdb/mindsdb/integrations/handlers/tidb_handler/tests/test_tidb_handler.py
imports: import unittest
  import pandas
  from mindsdb.integrations.handlers.tidb_handler.tidb_handler import TiDBHandler
label_desc: Use image node_id 1 for calling the TiDBHandlerTest obj's underlying member method code with example usage: obj.setUpClass(cls) without return types