public async Task Test_AuthAddTracksToPlaylist()
{
var result = await _client.AuthAddTracksToPlaylistAsync(
"7D4Epnvxhc8l6NpooJqYXk",
new UriListRequest()
{
Uris = new List <string>
{
"spotify:track:2zzdnRWE3z6QP3FoVlnWHO"
}
}, 0);
Assert.IsTrue(result.Success);
}