Map<String, Object> dataMap = XmlUtil.getDataMap(accessResultData);
        assertNotNull(dataMap);
        assertEquals("", dataMap.get("empty"));
    }

    public void test_getDataMap_noNameAttribute() throws Exception {
        // Test parsing field without name attribute (should be ignored)
        String xml = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" + "<doc>\n" + "  <field>No Name</field>\n"