code: def test_notifies_about_fail(self, tmp_path):
      path_listener_writer = tmp_path / "test_notifies_about_fail"
  
      lm = get_listener_manager()
      lm.add_listener(
          FileWriteListener(os.fspath(path_listener_writer))
      )
  
      dagbag = DagBag(
          dag_folder=TEST_DAG_FOLDER,
          include_examples=False,
      )
      dag = dagbag.dags.get("test_failing_bash_operator")
      task = dag.get_task("failing_task")
      dag.create_dagrun(
          run_id="test",
          data_interval=(DEFAULT_DATE, DEFAULT_DATE),
          state=State.RUNNING,
          start_date=DEFAULT_DATE,
      )
      ti = TaskInstance(task=task, run_id="test")
      job = Job(dag_id=ti.dag_id)
      job_runner = LocalTaskJobRunner(
          job=job, task_instance=ti, ignore_ti_state=True
      )
      task_runner = StandardTaskRunner(job_runner)
      task_runner.start()
  
      # Wait until process makes itself the leader of its own process group
      with timeout(seconds=1):
          while True:
              runner_pgid = os.getpgid(task_runner.process.pid)
              if runner_pgid == task_runner.process.pid:
                  break
              time.sleep(0.01)
  
          # Wait till process finishes
      assert task_runner.return_code(timeout=10) is not None
      with path_listener_writer.open() as f:
          assert f.readline() == "on_starting\n"
          assert f.readline() == "on_task_instance_running\n"
          assert f.readline() == "on_task_instance_failed\n"
          assert f.readline() == "before_stopping\n"
  
imports: from __future__ import annotations
  import logging
  import os
  import time
  from contextlib import contextmanager
  from pathlib import Path
  from unittest import mock
  from unittest.mock import patch
  import psutil
  import pytest
  from airflow.jobs.job import Job
  from airflow.jobs.local_task_job_runner import LocalTaskJobRunner
  from airflow.listeners.listener import get_listener_manager
  from airflow.models.dagbag import DagBag
  from airflow.models.taskinstance import TaskInstance
  from airflow.task.task_runner.standard_task_runner import StandardTaskRunner
  from airflow.utils import timezone
  from airflow.utils.log.file_task_handler import FileTaskHandler
  from airflow.utils.platform import getuser
  from airflow.utils.state import State
  from airflow.utils.timeout import timeout
  from tests.listeners import xcom_listener
  from tests.listeners.file_write_listener import FileWriteListener
  from tests.test_utils.db import clear_db_runs
label_desc: Use image node_id 5 for calling the TestStandardTaskRunner obj's underlying member method code with example usage: obj.test_notifies_about_fail(tmp_path) without return types