code: def setUpClass(cls):
      cls.kwargs = {
          "connection_data": {
              "server": "server",
              "host": "127.0.0.1",
              "port": 9093,
              "user": "informix",
              "password": "in4mix",
              "database": "demo",
              "schema_name": "love",
              "loging_enabled": False,
          }
      }
      cls.handler = InformixHandler("test_informix_handler", cls.kwargs)
  
file_path: mindsdb/mindsdb/integrations/handlers/informix_handler/tests/test_informix_handler.py
imports: import unittest
  from mindsdb.integrations.handlers.informix_handler.informix_handler import InformixHandler
  from mindsdb.api.executor.data_types.response_type import RESPONSE_TYPE
label_desc: Use image node_id 1 for calling the InformixHandlerTest obj's underlying member method code with example usage: obj.setUpClass(cls) without return types