code: def test_classic_teardown_task_works_with_on_failure_fail_dagrun(
      self, on_failure_fail_dagrun, dag_maker
  ):
      with dag_maker() as dag:
          BashOperator(
              task_id="mytask",
              bash_command='echo "I am a teardown task"',
          ).as_teardown(on_failure_fail_dagrun=on_failure_fail_dagrun)
  
      teardown_task = dag.task_group.children["mytask"]
      assert teardown_task.is_teardown
      assert (
          teardown_task.on_failure_fail_dagrun is on_failure_fail_dagrun
      )
      assert len(dag.task_group.children) == 1
  
imports: from __future__ import annotations
  import pytest
  from airflow.decorators import setup, task, task_group, teardown
  from airflow.decorators.setup_teardown import context_wrapper
  from airflow.exceptions import AirflowException
  from airflow.operators.bash import BashOperator
label_desc: Use image node_id 10 for calling the TestSetupTearDownTask obj's underlying member method code with example usage: obj.test_classic_teardown_task_works_with_on_failure_fail_dagrun(on_failure_fail_dagrun, dag_maker) without return types