assertTrue(html.contains("Content with & < > " '"));
        assertFalse(html.contains("<script>"));
    }

    @Test
    public void test_buildHtml_excludeFields() {
        final Map<String, Object> source = new LinkedHashMap<>();
        source.put("title", "Test");
        source.put("content", "Body");
        source.put("cache", "cached data");