public async Task ChangePlaylistShareState()
{
var account = CommonTests.GetAccount();
var mc = new MobileClient();
Assert.IsTrue(await mc.LoginAsync(account.Item1, account.Item2));
Playlist item;
Assert.IsNotNull(item = await mc.CreatePlaylist(Guid.NewGuid().ToString(), "", ShareState.Public));
Assert.IsTrue(await mc.IsPlaylistSharedAsync(item));
item.ShareState = ShareState.Private;
Assert.IsNotNull(item = await mc.UpdatePlaylistAsync(item));
Debug.WriteLine(item);
Assert.IsFalse(await mc.IsPlaylistSharedAsync(item));
Assert.IsNotNull(await mc.DetelePlaylist(item));
}