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
raise AirflowException(
                f"The trigger_rule must be one of {TriggerRule.all_triggers()},"
                f"'{dag.dag_id if dag else ''}.{task_id}'; received '{trigger_rule}'."
            )
        self.trigger_rule: TriggerRule = TriggerRule(trigger_rule)
        self.depends_on_past: bool = depends_on_past
        self.ignore_first_depends_on_past: bool = ignore_first_depends_on_past
        self.wait_for_past_depends_before_skipping: bool = wait_for_past_depends_before_skipping
        self.wait_for_downstream: bool = wait_for_downstream
        if wait_for_downstream:
            self.depends_on_past = True
        self.retry_delay = coerce_timedelta(retry_delay, key="retry_delay")
        self.retry_exponential_backoff = retry_exponential_backoff
        self.max_retry_delay = (
            max_retry_delay
            if max_retry_delay is None
            else coerce_timedelta(max_retry_delay, key="max_retry_delay")
        )
        
        self.params: ParamsDict | dict = ParamsDict(params)
        if priority_weight is not None and not isinstance(priority_weight, int):
            raise AirflowException(
                f"`priority_weight` for task '{self.task_id}' only accepts integers, "
                f"received '{type(priority_weight)}'."
            )
        self.priority_weight = priority_weight
        if not WeightRule.is_valid(weight_rule):
            raise AirflowException(
                f"The weight_rule must be one of "
                f"{WeightRule.all_weight_rules},'{dag.dag_id if dag else ''}.{task_id}'; "