public async Task Given2PodcastsExist()
        {
            var     podcastFileRepository = new PodcastFileRepository();
            Podcast podcast1 = Podcast.Create("http://www.dr.dk/mu/Feed/harddisken?format=podcast&limit=500");
            Podcast podcast2 = Podcast.Create("http://www.dr.dk/mu/Feed/troldspejlet?format=podcast&limit=500");
            await podcastFileRepository.Add(podcast1);

            await podcastFileRepository.Add(podcast2);
        }
 public async Task GivenPodcastsExist(Podcast podcast)
 {
     var podcastFileRepository = new PodcastFileRepository();
     await podcastFileRepository.Add(podcast);
 }