public void TestReservation()
{
AdditionalMethods model = new AdditionalMethods();
model.AddGuest("Łucja", "Wołkowicz", "Polish");
model.DisplayRooms().Add(new Room(1, 200, RoomType.doublebed));
model.AddReservation(1, RoomType.doublebed);
Assert.AreEqual(1, model.DisplayGuests()[0].NrofRoom);
}
//dodaje rezerwację
public void AddButtonReservation()
{
model.AddReservation(IdRobocze);
this.OnPropertyChanged();
this.OdswiezShowedList();
}