@Test
    public void test_addClickCountField_withUrl() {
        final Map<String, Object> doc = new HashMap<>();
        doc.put("url", "http://example.com");

        ((TestSearchLogHelper) searchLogHelper).setClickCount(10);

        indexUpdater.addClickCountField(doc);

        assertEquals(10, doc.get("click_count"));
    }

    // Test addClickCountField without URL
    @Test