public void DeleteItemsShouldSuccess() { // Arrange var returnList = GetItemList(); OrderItems item = new OrderItems { ItemId = 1, OrderId = 1, ProductId = 2, PurchasePrice = 200, Quantity = 10 }; ItemDTO itemDto = new ItemDTO { ItemId = 1, OrderId = 1, ProductId = 2, PurchasePrice = 200, Quantity = 10 }; _unitOfWork.Setup(p => p.Items.RemoveItems(item.ItemId)).Verifiable(); // Act itemServices.RemoveItem(itemDto.ItemId); // Assert Assert.IsTrue(true); }