int waitNewUrlCount = 0;
        boolean shouldThrowException = false;

        @Override
        protected void delayBeforeProcessing() {
            beforeProcessingCount++;
            if (shouldThrowException) {
                throw new RuntimeException("Test exception in delayBeforeProcessing");
            }
        }

        @Override
        protected void delayAfterProcessing() {

     */
    private static class TestIntervalController implements IntervalController {
        @Override
        public void delay(int type) {
        }

        public void delayBeforeProcessing() {
        }

        public void delayAfterProcessing() {
        }

        public void delayAtNoUrlInQueue() {
        }

        public void delayForWaitingNewUrl() {
        }