public void SetUp()
 {
     playListPersistence       = Substitute.For <PlayListPersistencePort>();
     eventPublisher            = Substitute.For <EventPublisherPort>();
     addTrackToPlayListService = new AddTrackToPlayListService(playListPersistence, eventPublisher);
 }
 public void SetUp()
 {
     playListPersistence       = Substitute.For <PlayListPersistencePort>();
     tracksNotifier            = Substitute.For <TracksNotifierPort>();
     addTrackToPlayListService = new AddTrackToPlayListService(playListPersistence, tracksNotifier);
 }