assertTrue(html.contains("Test Content"));
        assertTrue(html.contains("<meta name=\"fess:url\" content=\"https://example.com/page.html\">"));
    }

    @Test
    public void test_buildHtml_htmlEscaping() {
        final Map<String, Object> source = new LinkedHashMap<>();
        source.put("title", "Title with <script>alert('xss')</script>");
        source.put("content", "Content with & < > \" '");