public async Task UpdateQueueService() { //update cors CorsRules cors = new CorsRules(); cors.CorsRulesValue.Add(new CorsRule( allowedHeaders: new string[] { "x-ms-meta-abc", "x-ms-meta-data*", "x-ms-meta-target*" }, allowedMethods: new CorsRuleAllowedMethodsItem[] { "GET", "HEAD", "POST", "OPTIONS", "MERGE", "PUT" }, allowedOrigins: new string[] { "http://www.contoso.com", "http://www.fabrikam.com" }, exposedHeaders: new string[] { "x-ms-meta-*" }, maxAgeInSeconds: 100)); QueueServiceData parameter = new QueueServiceData() { Cors = cors, }; _queueService = (await _queueService.CreateOrUpdateAsync(WaitUntil.Completed, parameter)).Value; //validate Assert.AreEqual(_queueService.Data.Cors.CorsRulesValue.Count, 1); }