public void testQueue19()
public void testQueue19() throws PerfException
   public void testQueue19()   {      log.info("Running test Queue19");      try      {         //Now fill it with numMessages messages         FillJob fillJob = createDefaultFillJob(queueName, numMessages);         fillJob.setDeliveryMode(DeliveryMode.NON_PERSISTENT);         fillJob.setMsgSize(standardMessageSize);         fillJob.setMf(new TextMessageMessageFactory());         runJob(fillJob);                  //This should always be true         String selector = "JMSMessageID IS NOT NULL AND NonExistentProperty IS NULL";            BrowserJob job  = createDefaultBrowserJob(queueName);         job.setSelector(selector);         JobResult result = runJob(job);                  if (!checkResult(result, "Queue19"))         {            return;         }                  Execution execution = createExecution("Queue19");                  execution.addMeasurement(new Measurement("timeTaken", (result.endTime - result.startTime)));         pm.saveExecution(execution);                  log.info("Test Queue19 finished");      }      finally      {         drainQueue(queueName);      }   }