child.setUrl("https://example.com/page1");

        data.addChildUrl(child);
        data.addChildUrl(child);

        assertEquals(1, data.getChildUrlSet().size());
    }

    public void test_getRequestData() {
        // Test getRequestData method
        ResponseData data = new ResponseData();
        data.setUrl("https://example.com/test");
        data.setMethod("POST");