code: def test_0_connect(self):
      self.handler.connect()
  
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 2 for calling the DuckDBHandlerTest obj's underlying member method code with example usage: obj.test_0_connect() without return types