private static void ValidateFlatToCount(int count)
{
Debug.Assert(roomService.GetAll().Count() == count);
Debug.Assert(flatService.GetAll().Count() == count);
Debug.Assert(residenceService.GetAll().Count() == count);
Debug.Assert(houseService.GetAll().Count() == count);
var plots = plotService.GetAll();
Debug.Assert(plots.Count() == count);
}
