public async Task GrabNzbFromCartAsync_Returns_Not_Found_With_Invalid_Entry()
{
var req = TestHelper.CreateHttpRequest("https://nzb.mtighe.dev/api/cart/nzb/123");
_cartTable.SetupOperationToFail(TableOperationType.Retrieve);
_authService.Setup(s => s.IsAuthenticated(req)).ReturnsAsync(true);
var result = await _function.GrabNzbFromCartAsync(req, _cartTable.Object, _log.Object, "123");
Assert.IsType <NotFoundResult>(result);
}