assertEquals(3, result.size());
    }

    /**
     * Test getAnchorSet with empty list
     */
    @Test
    public void test_getAnchorSet_withEmptyList() {
        FessCrawlerThread crawlerThread = new FessCrawlerThread();

        List<String> urls = new ArrayList<>();

        Set<RequestData> result = crawlerThread.getAnchorSet(urls);