public void UriUtils_TryCreateAbsoluteUrl(string url, bool isAbsolute)
        {
            var isActuallyAbsolute = UriUtils.TryCreateAbsoluteUrl(url, out Uri result);

            isActuallyAbsolute.Should().Be(isAbsolute);

            if (isAbsolute)
            {
                result.AbsoluteUri.Should().StartWith(url);
            }
            else
            {
                result.Should().BeNull();
            }
        }