public void OverWriteFileSuccess() { var repo = new OrderRepository(); var orderDate = new DateTime(2015,07,02); var orders= repo.ListAll(orderDate); repo.OverWriteFile(orders, orderDate); var updatedOrder = new OrderRequest() { OrderDate = orderDate, Order = new Order(), }; updatedOrder.Order.OrderNumber = 1; Assert.AreEqual(null, updatedOrder.Order.CustomerName); }