def do_delivery_fulfilment(delivery_id: str) -> Union[Delivery, bool]:
"""consumes the value of the delivery_id column of a delivery and
produces the Delivery if this succeeds, and False otherwise. As a side-effect, processes
all of the requests and offers associated with the delivery.
"""
interface = MABD()
return interface.do_delivery_fulfilment(delivery_id)
def test_MABD_do_delivery_fulfilment_returns_false_if_delivery_does_not_exist():
mabd = MABD()
result = mabd.do_delivery_fulfilment(3002)
assert result == False