public async Task TestPostStockItemAsync()
        {
            // Arrange
            var dbContext  = DbContextMocker.GetWideWorldImportersDbContext(nameof(TestPostStockItemAsync));
            var controller = new WebAPIController(null, dbContext);
            var request    = new PostStockItemsRequest
            {
                StockItemID            = 100,
                StockItemName          = "USB anime flash drive - Goku",
                SupplierID             = 12,
                UnitPackageID          = 7,
                OuterPackageID         = 7,
                LeadTimeDays           = 14,
                QuantityPerOuter       = 1,
                IsChillerStock         = false,
                TaxRate                = 15.000m,
                UnitPrice              = 32.00m,
                RecommendedRetailPrice = 47.84m,
                TypicalWeightPerUnit   = 0.050m,
                CustomFields           = "{ \"CountryOfManufacture\": \"Japan\", \"Tags\": [\"32GB\",\"USB Powered\"] }",
                Tags          = "[\"32GB\",\"USB Powered\"]",
                SearchDetails = "USB anime flash drive - Goku",
                LastEditedBy  = 1,
                ValidFrom     = DateTime.Now,
                ValidTo       = DateTime.Now.AddYears(5)
            };

            // Act
            var response = await controller.PostStockItemAsync(request) as ObjectResult;

            var value = response.Value as ISingleResponse <StockItem>;

            dbContext.Dispose();

            // Assert
            Assert.False(value.DidError);
        }