html += '<li>' +
                '<a href="' + escapeHtml(navigationUrl) + '" class="source-card" target="_blank" rel="noopener noreferrer">' +
                    '<span class="source-index">' + (i + 1) + '</span>' +
                    '<div class="source-info">' +
                        '<span class="source-title">' + escapeHtml(title) + '</span>' +
                        '<div class="source-meta">' +

        chatClient.resetSearchDocumentsCalled();
        chatClient.testSearchWithQuery("_source configuration guide");
        assertTrue(chatClient.wasSearchDocumentsCalled());
    }

    // ========== escapeHtml tests ==========

    @Test
    public void test_escapeHtml_null() {
        assertEquals("", chatClient.testEscapeHtml(null));
    }

    @Test
    public void test_escapeHtml_empty() {

            return escapeHtml(markdown);
        }
        return markdownRenderer.render(markdown);
    }

    /**
     * Escapes HTML special characters.
     *
     * @param text the text to escape
     * @return the escaped text
     */
    protected String escapeHtml(final String text) {
        if (text == null) {
            return "";