assertNull(gav, "Artifact should be null for empty groupId");
        }

        @Test
        @DisplayName("should handle POM with special characters in Artifact")
        void shouldHandlePOMWithSpecialCharacters() throws Exception {
            String pomXml = PomBuilder.create()
                    .groupId("com.example-test_group")
                    .artifactId("test-project.artifact")