public void PeekMessages()
{
AMSQueueSqlAdapter.Instance.ClearQueue();
IQueue <AMSQueueItem> queue = QueueManager.GetQueue <AMSQueueItem>("amsQueue");
queue.AddMessages(string.Empty, CreateMessage(), CreateMessage());
IEnumerable <AMSQueueItem> loaded = queue.PeekMessages(string.Empty, 10);
Assert.AreEqual(2, loaded.Count());
loaded = queue.PeekMessages(string.Empty, 10);
Assert.AreEqual(2, loaded.Count());
}