SEC-2634: Add Geb integration tests for jaas-xml

samples/jaas-xml/src/main/webapp/secure/index.jsp

@@ -1,3 +1,5 @@
+<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
+<%@ taglib prefix="sec" uri="http://www.springframework.org/security/tags" %>
 <%@ page import="javax.security.auth.Subject" %>
 <%@ page import="java.security.AccessController" %>
 <%@ page import="org.springframework.security.core.context.SecurityContextHolder" %>
@@ -47,5 +49,10 @@
 <%		}
 %>
 
+<form action="<c:url value="/j_spring_security_logout"/>" method="post">
+    <input type="submit" value="Log Out"/>
+    <sec:csrfInput/>
+</form>
+
 </body>
 </html>