public async Task Test_GetTicket()
{
IAccessTokenService accessTokenService = _sp.GetService <IAccessTokenService>();
var tokenResult = await accessTokenService.GetToken(Config.AppId, Config.AppSecret);
var ticketResult = await accessTokenService.GetTicket(tokenResult.access_token);
Assert.IsNotNull(ticketResult);
Assert.IsNotNull(ticketResult.ticket);
}