code: def test_check_connection(self):
      status = self.handler.check_connection()
      self.assertTrue(status.success)
  
file_path: mindsdb/mindsdb/integrations/handlers/notion_handler/tests/test_notion_handler.py
imports: import unittest
  from mindsdb_sql import parse_sql
  from mindsdb.integrations.handlers.notion_handler.notion_handler import NotionHandler
  from mindsdb.integrations.handlers.notion_handler.notion_table import NotionDatabaseTable, NotionBlocksTable, NotionCommentsTable, NotionPagesTable
label_desc: Use image node_id 2 for calling the NotionHandlerTest obj's underlying member method code with example usage: obj.test_check_connection() without return types