class_docstr: MockNotifier class for testing
class_docstr_tok: ["MockNotifier","class","for","testing"]
code: def notify(self, context: Context) -> None:
      pass
  
file_path: airflow/tests/notifications/test_basenotifier.py
imports: from __future__ import annotations
  from typing import TYPE_CHECKING
  from unittest.mock import MagicMock
  import jinja2
  import pytest
  from airflow.notifications.basenotifier import BaseNotifier
  from airflow.operators.empty import EmptyOperator
label_desc: Use image node_id 2 for calling the MockNotifier obj's underlying member method code with example usage: obj.notify(context) without return types