/**
  * Checks if any sample events are still present in the sampleStore and sends them to the
  * listener. Informs the listener of the testended.
  */
 public void testEnded() {
   try {
     if (sampleStore.size() != 0) {
       sendBatch();
     }
     listener.testEnded();
   } catch (RemoteException err) {
     log.warn("testEnded()", err);
   }
 }