private void Given_That_The_Conference_Has_No_CalendarEntries_Recorded()
 {
     _conference = new Conference(1, "", "");
     _conference.AddToCalendar(ConferenceHelper.GetPastVotingPeriod());
     _conference.AddToCalendar(ConferenceHelper.GetPastSubmissionPeriod());
     _conference.AddToCalendar(ConferenceHelper.GetOpenAgenda());
     _conference.AddToCalendar(ConferenceHelper.GetFutureRegistration());
 }