function let(ListRepository $listRepository, SubscriberEvent $event, Subscriber $subscriber)
{
$listRepository->findByName('foo')->willReturn(['id' => 123]);
$event->getListName()->willReturn('foo');
$event->getSubscriber()->willReturn($subscriber);
$this->beConstructedWith($listRepository);
}
public function onUnsubscribe(SubscriberEvent $event)
{
$this->listRepository->unsubscribe($this->getListId($event->getListName()), $event->getSubscriber());
}