public void ExtractYtCfg_2Test()
        {
            var data  = Tools.GetSampleData("LiveChat_2.txt");
            var json  = YouTubeLiveSitePlugin.Next.Tools.ExtractYtCfg(data);
            var ytCfg = new YouTubeLiveSitePlugin.Next.YtCfg(json);

            Assert.IsNull(ytCfg.DelegatedSessionId);
            Assert.AreEqual("AIzaSyAO_FJ2SlqU8Q4STEHLGCilw_Y9_11qcW8", ytCfg.InnerTubeApiKey);
            Assert.AreEqual("CgtLLWZ4T1hPR2dlWSjuz4CABg%3D%3D", ytCfg.VisitorData);
            Assert.IsTrue(ytCfg.InnerTubeContext.StartsWith("{\"client\":{"));
        }
        public void ExtractYtCfgTest()
        {
            var data  = Tools.GetSampleData("LiveChat.txt");
            var json  = YouTubeLiveSitePlugin.Next.Tools.ExtractYtCfg(data);
            var ytCfg = new YouTubeLiveSitePlugin.Next.YtCfg(json);

            Assert.AreEqual("103208314919748213421", ytCfg.DelegatedSessionId);
            Assert.AreEqual("AIzaSyAO_FJ2SlqU8Q4STEHLGCilw_Y9_11qcW8", ytCfg.InnerTubeApiKey);
            Assert.AreEqual("CgtDYkdkSzNGYjhHdyiD-eD_BQ%3D%3D", ytCfg.VisitorData);
            Assert.AreEqual("{\"client\":{\"hl\":\"ja\",\"gl\":\"JP\",\"visitorData\":\"CgtDYkdkSzNGYjhHdyiD-eD_BQ%3D%3D\",\"userAgent\":\"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.88 Safari/537.36,gzip(gfe)\",\"clientName\":\"WEB\",\"clientVersion\":\"2.20210107.02.01\",\"osName\":\"Windows\",\"osVersion\":\"10.0\",\"browserName\":\"Chrome\",\"browserVersion\":\"87.0.4280.88\"},\"request\":{\"sessionId\":\"6915343762157300936\"}}", ytCfg.InnerTubeContext);
        }