public void CanRemoveOrderFromFile() { Order order = new Order(); ProdOrderRepository prodOrderRepo = new ProdOrderRepository(); order.Date = DateTime.Parse("09/26/2018"); order.OrderNumber = 1; var orderToRemove = prodOrderRepo.GetOrder(order.Date, order.OrderNumber); prodOrderRepo.RemoveThisOrder(order); var orders = prodOrderRepo.GetAllOrdersForDate(order.Date); Assert.AreEqual(3, orders.Count); }