public async Task ValidYoutubeService() { //Created @ https://code.google.com/apis/console, enable YouTube Data API v3 under APIs then click Credentials //Under Public API Access - click "Create New Key" AppSettings.YoutubePublicAPIKey = "AIzaSyCfyarRgBTEHzpC1IaTqdjhen01rRBR-ow"; AppSettings.YoutubeAddressCollection = new UrlSource [] { new UrlSource { Url = "https://www.googleapis.com/youtube/v3/playlistItems?playlistId=PL0OTHVsGLN2medBm9k-VFtB6cvUbP9n6B&part=snippet&maxResults=50&fields=items%2CnextPageToken&key=" + AppSettings.YoutubePublicAPIKey, Group = "Youtube Playlist" } }; var youtubeService = new YoutubeService(); var items = await youtubeService.GetItems(); Assert.IsTrue(items.Count > 0, "Error: Zero items retrieved from Twitter Service"); Assert.AreEqual(200, items.Count); Assert.AreEqual("Candy Crush Saga Level 1", items[0].Title); }