Parameters which are added via ServletDispatcherResult aren't availabe in #parameters

@Action(value = "execute", results = @Result(name = SUCCESS, type = DISPATCHER, location = "index.jsp?foo=bar"))
public String execute() {
    return super.execute();
}

        @Test
        public void testParameters() throws UnsupportedEncodingException, ServletException {
                request.addParameter("test", "me");
                executeAction("/test/dispatcher/execute.html");
                assertEquals("me", findValueAfterExecute("#parameters.test[0]"));
                assertEquals("bar", findValueAfterExecute("#parameters.foo[0]"));
        }

#attr['com.opensymphony.xwork2.ActionContext.parameters'].foo