@Test
public void testAdd()
{

   Assert.assertEquals(queue.size(), 0);
   Assert.assertTrue(queue.add(new FairQueueTestString("key1", "item1")));
   Assert.assertEquals(queue.size(), 1);
   Assert.assertTrue(queue.add(new FairQueueTestString("key2", "item2")));
   Assert.assertEquals(queue.size(), 2);
}