code: def setUpClass(cls):
      cls.kwargs = {"connection_data": {"database": "db.duckdb"}}
      cls.handler = DuckDBHandler("test_duckdb_handler", **cls.kwargs)
  
file_path: mindsdb/mindsdb/integrations/handlers/duckdb_handler/tests/test_duckdb_handler.py
imports: import unittest
  from mindsdb.api.executor.data_types.response_type import RESPONSE_TYPE
  from mindsdb.integrations.handlers.duckdb_handler.duckdb_handler import DuckDBHandler
label_desc: Use image node_id 1 for calling the DuckDBHandlerTest obj's underlying member method code with example usage: obj.setUpClass(cls) without return types