Element dependency = DomUtils.findChildElement(dependencies, "dependency");

        // Test adding GAV elements with version
        DomUtils.addGAVElements(dependency, "org.example", "test-artifact", "1.0.0");

        String xmlOutput = DomUtils.toXml(doc);
        assertTrue(xmlOutput.contains("<groupId>org.example</groupId>"), "Should contain groupId");