code: def test_1_check_connection(self):
      assert self.handler.check_connection().success is True
  
file_path: mindsdb/mindsdb/integrations/handlers/teradata_handler/tests/test_teradata_handler.py
imports: import os
  import unittest
  from mindsdb.integrations.handlers.teradata_handler.teradata_handler import TeradataHandler
  from mindsdb.api.executor.data_types.response_type import RESPONSE_TYPE
label_desc: Use image node_id 3 for calling the TeradataHandlerTest obj's underlying member method code with example usage: obj.test_1_check_connection() without return types