code: def test_0_connect(self):
      self.handler.check_connection()
  
file_path: mindsdb/mindsdb/integrations/handlers/singlestore_handler/tests/test_singlestore_handler.py
imports: import unittest
  from mindsdb.integrations.handlers.mysql_handler.mysql_handler import MySQLHandler
  from mindsdb.api.executor.data_types.response_type import RESPONSE_TYPE
label_desc: Use image node_id 2 for calling the MySQLHandlerTest obj's underlying member method code with example usage: obj.test_0_connect() without return types