code: def test_notifier_call_with_passed_context(self, dag_maker, caplog):
      with dag_maker("test_render_message_with_template_works") as dag:
          EmptyOperator(task_id="test_id")
      notifier = MockNotifier(message="Hello {{ dag.dag_id }}")
      notifier.notify = MagicMock()
      context: Context = {"dag": dag}
      notifier(context)
      notifier.notify.assert_called_once_with(
          {"dag": dag, "message": "Hello {{ dag.dag_id }}"}
      )
      assert (
          notifier.message
          == "Hello test_render_message_with_template_works"
      )
  
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 4 for calling the TestBaseNotifier obj's underlying member method code with example usage: obj.test_notifier_call_with_passed_context(dag_maker, caplog) without return types