pager.setCurrentPageNumber(5);

        pager.clear();

        assertNull(pager.id);
        assertNull(pager.sessionId);
    }

    @Test
    public void test_crawlingInfo_toString() {
        final CrawlingInfo info = new CrawlingInfo();
        info.setId("test-id");
        info.setSessionId("test-session");

        final String str = info.toString();
        assertNotNull(str);