vaadin-framework/uitest/src/main/webapp/WEB-INF/portlet.xml

<?xml version="1.0" encoding="UTF-8"?>
<portlet-app xmlns="http://java.sun.com/xml/ns/portlet/portlet-app_2_0.xsd"
    version="2.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://java.sun.com/xml/ns/portlet/portlet-app_2_0.xsd http://java.sun.com/xml/ns/portlet/portlet-app_2_0.xsd">

    <portlet>
        <portlet-name>JSR286TestPortlet</portlet-name>
        <display-name>Vaadin Portlet 2.0 Test</display-name>
        <portlet-class>com.vaadin.server.VaadinPortlet</portlet-class>
        <init-param>
            <name>ui</name>
            <value>com.vaadin.tests.integration.JSR286Portlet</value>
        </init-param>
        <init-param>
            <name>widgetset</name>
            <value>com.vaadin.DefaultWidgetSet</value>
        </init-param>
        <supports>
            <mime-type>text/html</mime-type>
            <portlet-mode>view</portlet-mode>
            <portlet-mode>edit</portlet-mode>
            <portlet-mode>help</portlet-mode>
        </supports>
        <portlet-info>
            <title>Vaadin Portlet 2.0 Test</title>
            <short-title>Vaadin Portlet 2.0 Test</short-title>
        </portlet-info>

        <security-role-ref>
            <role-name>administrator</role-name>
        </security-role-ref>
        <security-role-ref>
            <role-name>guest</role-name>
        </security-role-ref>
        <security-role-ref>
            <role-name>power-user</role-name>
        </security-role-ref>
        <security-role-ref>
            <role-name>user</role-name>
        </security-role-ref>
    </portlet>

    <!-- This can be used to work around an issue in liferay 5.0-5.1.1 <container-runtime-option> 
        <name>javax.portlet.escapeXml</name> <value>false</value> </container-runtime-option> -->
</portlet-app>