public void TestDownload()
{
var localStorage = new LocalPodcastService("podcasts.json");
var feedParser = new FeedParserService();
var fileManager = new FileDownloadService();
var podcastService = new PodcastService(feedParser, localStorage, fileManager);
var podcastFromService = podcastService.GetPodcastAsync("http://monstercat.com/podcast/feed.xml").Result;
podcastService.DownloadEpisodeAsync(podcastFromService.Episodes.OrderByDescending(e => e.Published).ToList()[0]).Wait();
}