// Test with no matching headers
        String result = virtualHostHelper.processVirtualHost(s -> "processed_" + s, "default");
        assertEquals("default", result);

        // Test with matching first header
        request.addHeader("Host", "example.com");
        result = virtualHostHelper.processVirtualHost(s -> "processed_" + s, "default");
        assertEquals("processed_site1", result);

     *
     * @param page The HTML page to get the virtual host path for
     * @return The HTML page with updated virtual host path
     */
    public HtmlNext getVirtualHostPath(final HtmlNext page) {
        return processVirtualHost(s -> {
            final String basePath = getVirtualHostBasePath(s, page);
            return new HtmlNext(basePath + page.getRoutingPath());
        }, page);
    }

    /**