nodeWithWrongAttr.addAttribute("class", "nav-link");
        assertFalse(tagWithAttrAndCss.matches(nodeWithWrongAttr));
    }

    public void test_equals_comprehensive() {
        PrunedTag tag1 = new PrunedTag("div");
        tag1.setId("test");
        tag1.setCss("highlight");
        tag1.setAttr("data-value", "123");

        PrunedTag tag2 = new PrunedTag("div");