MockNode wrongTag = new MockNode("span");
        wrongTag.addAttribute("id", "test-id");
        assertFalse(tag.matches(wrongTag));
    }

    @Test
    public void test_matches_withCss() {
        PrunedTag tag = new PrunedTag("div");
        tag.setCss("highlight");

        // Node with matching CSS class
        MockNode nodeWithClass = new MockNode("div");