public void Delete_GivenProductId_ShouldReturnNotFound()
{
// Arrange
var inMemoryRepoMock = new Mock <IProductRepository>();
inMemoryRepoMock.Setup(x => x.Delete(It.IsAny <int>())).Returns(false);
var controller = new ProductsApiController(inMemoryRepoMock.Object);
controller.Request = new HttpRequestMessage();
controller.Configuration = new HttpConfiguration();
// Act
var response = controller.Delete(1);
// Assert
var res = response.ExecuteAsync(CancellationToken.None).Result;
Assert.AreEqual(HttpStatusCode.NotFound, res.StatusCode);
}