public void SetUp()
 {
     playListPersistence   = Substitute.For <PlayListPersistencePort>();
     uniqueIdentifiers     = Substitute.For <UniqueIdentifiersPort>();
     eventPublisher        = Substitute.For <EventPublisherPort>();
     createPlayListService = new CreatePlayListService(uniqueIdentifiers, playListPersistence, eventPublisher);
 }
 public void SetUp()
 {
     playListPersistence   = Substitute.For <PlayListPersistencePort>();
     playListNotifierPort  = Substitute.For <PlayListNotifierPort>();
     uniqueIdentifiers     = Substitute.For <UniqueIdentifiersPort>();
     createPlayListService = new CreatePlayListService(uniqueIdentifiers, playListPersistence, playListNotifierPort);
 }