CloudStorageAccount storageAccount = CloudStorageAccount.Parse(CloudConfigurationManager.GetSetting("Microsoft.WindowsAzure.Plugins.Diagnostics.ConnectionString"));
CloudQueueClient cloudQueueClient = storageAccount.CreateCloudQueueClient();
CloudQueue cloudQueue = cloudQueueClient.GetQueueReference("test-queue");
Please rememeber that queue names are quite fussy. You need to use lowecase names with hypens as seperators.
It does not like brackets or underscores.
This is especially important if you use the environment name in the queue name to allow shared storage accounts across a dev team.