public async Task RequestGoogleGmailData()
 {
     await _googleAuthenticator.LoginGoogle(_testUsername);
     var gmailService = new GoogleGmailService(_googleAuthenticator.GetCurrentCredentials());
     gmailService.CreateService();
     Assert.IsNotNull(gmailService.GetData());
 }
 /// <summary>
 /// Get latest mails from current user his/her gmail
 /// </summary>
 /// <returns>A list of mails in GoogleGmailModel</returns>
 public List<GoogleGmailModel> GetGmailsUser()
 {
     var googleGmailService = new GoogleGmailService(_credential);
     googleGmailService.CreateService();
     return googleGmailService.GetData();
 }