assertEquals(Constants.GET_METHOD, added.getMethod());
        assertEquals(Integer.valueOf(0), added.getDepth());
        assertNotNull(added.getCreateTime());
    }

    public void test_insert() {
        // Setup
        String sessionId = "session123";
        UrlQueueImpl<Long> urlQueue = new UrlQueueImpl<>();
        urlQueue.setSessionId(sessionId);
        urlQueue.setUrl("https://example.com");