*/
    public void test_delayBeforeProcessing() {
        // 同時実行数
        final int numTasks = 100;
        // インターバル
        final Long waittime = 100L;

        CrawlingParameterUtil.setUrlQueue(new UrlQueueImpl());
        final UrlQueue q = CrawlingParameterUtil.getUrlQueue();
        for (int i = 0; i < numTasks; i++) {
            q.setUrl("http://example.com");
        }

 *
 * <p>Usage example:</p>
 * <pre>
 * {@code
 * UrlQueue<?> urlQueue = CrawlingParameterUtil.getUrlQueue();
 * CrawlingParameterUtil.setUrlQueue(newUrlQueue);
 *
 * CrawlerContext context = CrawlingParameterUtil.getCrawlerContext();
 * CrawlingParameterUtil.setCrawlerContext(newContext);
 *

                            continue;
                        }

                        startCrawling();

                        // set urlQueue to thread
                        CrawlingParameterUtil.setUrlQueue(urlQueue);

                        if (crawlerContext.intervalController != null) {
                            crawlerContext.intervalController.delay(IntervalController.PRE_PROCESSING);
                        }