public async Task UnrestrictCheck()
{
var client = new RdNetClient(Setup.APP_ID, Setup.DEVICE_CODE, Setup.CLIENT_ID, Setup.CLIENT_SECRET, Setup.ACCESS_TOKEN, Setup.REFRESH_TOKEN);
var result = await client.UnrestrictCheckAsync("https://www.4shared.com/video/ieSh94n_/Test.html");
Assert.Matches("test.mp3", result.Filename);
}