public void RemoveQueryParam()
        {
            var url = new UrlBuilder("http://www.shoutem.com/app?nid=123");
            url.RemoveQueryParam("nid");

            Assert.AreEqual(false, url.ContainsQueryParam("nid"));
        }
        public void RemoveMultipleQueryParam()
        {
            var url = new UrlBuilder("http://www.shoutem.com/app?role=moderator&role=admin");
            url.RemoveQueryParam("role");

            Assert.AreEqual(false, url.ContainsQueryParam("role"));
        }