public async Task TestGetCredentials()
{
var actual = await yandexCredentials.GetAuthorizationInfoAsync();
Assert.IsNotEmpty(actual.Token);
Assert.IsNotEmpty(actual.Uid);
Assert.True(actual.ExpirationDate > DateTime.Now);
}
public async Task <Playlist[]> GetPlaylistsAsync(string userId)
{
var authorizationInfo = await yandexCredentials.GetAuthorizationInfoAsync().ConfigureAwait(false);
var realUserId = userId ?? authorizationInfo.Uid;
var result = await DoRequestAsync <Playlist[]>($"users/{realUserId}/playlists/list")
.ConfigureAwait(false);
return(result.Resilt);
}