code: def setUpClass(cls):
      cls.kwargs = {
          "connection_data": {
              "host": "127.0.0.1",
              "port": "25000",
              "user": "db2admin",
              "password": "1234",
              "database": "Books",
              "schema_name": "db2admin",
          }
      }
      cls.handler = DB2Handler("test_db2_handler", **cls.kwargs)
  
file_path: mindsdb/mindsdb/integrations/handlers/db2_handler/tests/test_db2_handler.py
imports: import unittest
  from mindsdb.integrations.handlers.db2_handler.db2_handler import DB2Handler
  from mindsdb.api.executor.data_types.response_type import RESPONSE_TYPE
label_desc: Use image node_id 1 for calling the DB2HandlerTest obj's underlying member method code with example usage: obj.setUpClass(cls) without return types