public void Add_new_url_request_success()
        {
            var urlId      = 99;
            var longUrl    = "http://google.com";
            var urlDetails = new UrlDetails(urlId);

            var url = new Url(longUrl);

            url.SetUrlDetails(urlDetails);
            url.AddNewUrlRequest();

            Assert.NotNull(url);
            Assert.NotEmpty(url.UrlRequests);
        }