test.java

    public TaskWrapper getNextTask() {
      // First compare between high and low priority task queues
      // then depending on that state, we may check starvable
      TaskWrapper nextTask = null;
      if (lowPriorityQueueSet.isEmpty() && !highPriorityQueueSet.isEmpty()) {
        nextTask = highPriorityQueueSet.getNextTask();
      } else if (!lowPriorityQueueSet.isEmpty() && !highPriorityQueueSet.isEmpty()) { 
          if(highPriorityQueueSet.timeSinceLastPull() > maxWaitForLowPriorityInMs) {
            nextTask = lowPriorityQueueSet.getNextTask();
          } else {
            nextTask = highPriorityQueueSet.getNextTask();
          }
      } else if (!lowPriorityQueueSet.isEmpty() && highPriorityQueueSet.isEmpty()) {
        nextTask =  lowPriorityQueueSet.getNextTask();
      } else {
        nextTask = starvablePriorityQueueSet.getNextTask();
      }
      return nextTask;
    }