public ConsultationResponseTracker(IConsultationResponseCache cache)
 {
     _cache = cache;
 }
 public void Setup()
 {
     _cache      = new DictionaryConsultationResponseCache();
     _conference = new ConferenceCacheModelBuilder().WithLinkedParticipantsInRoom().Build();
     _sut        = new ConsultationResponseTracker(_cache);
 }