Ensure that this works:

```python
@setup
def mytask():
    print("I am a setup task")

with dag_maker() as dag:
    mytask.override(task_id='newtask')

assert len(dag.task_group.children) == 1
setup_task = dag.task_group.children["newtask"]
assert setup_task._is_setup
```
and teardown also works
self,
        start_date: datetime | None = None,
        end_date: datetime | None = None,
        session: Session = NEW_SESSION,
    ) -> list[TaskInstance]:
        """Get task instances related to this task for a specific date range."""
        from airflow.models import DagRun
        end_date = end_date or timezone.utcnow()
        return (
            session.query(TaskInstance)
            .join(TaskInstance.dag_run)
            .filter(TaskInstance.dag_id == self.dag_id)
            .filter(TaskInstance.task_id == self.task_id)
            .filter(DagRun.execution_date >= start_date)
            .filter(DagRun.execution_date <= end_date)
            .order_by(DagRun.execution_date)
            .all()
        )
    @provide_session
    def run(