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,
        ignore_first_depends_on_past: bool = True,
        wait_for_past_depends_before_skipping: bool = False,
        ignore_ti_state: bool = False,
        mark_success: bool = False,
        test_mode: bool = False,
        session: Session = NEW_SESSION,
    ) -> None:
        """Run a set of task instances for a date range."""
        from airflow.models import DagRun
        from airflow.utils.types import DagRunType
        
        
        if TYPE_CHECKING:
            assert self.start_date
        start_date = pendulum.instance(start_date or self.start_date)
        end_date = pendulum.instance(end_date or self.end_date or timezone.utcnow())
        for info in self.dag.iter_dagrun_infos_between(start_date, end_date, align=False):
            ignore_depends_on_past = info.logical_date == start_date and ignore_first_depends_on_past
            try:
                dag_run = (