final Date now = new Date();
        responseData.setLastModified(now);
        assertEquals(now, responseData.getLastModified());
    }

    @Test
    public void test_metaContentMapping() {
        transformer.metaContentMapping = new HashMap<>();
        transformer.metaContentMapping.put("author", "dc:creator");
        transformer.metaContentMapping.put("title", "dc:title");