HttpServletRequest request = createStrictMock(HttpServletRequest.class);
replay(request);
SimpleControllerAction action = new SimpleControllerAction();
ActionWithNullReturningNavigate bean = new ActionWithNullReturningNavigate();
NavigationHolder navigationHolder = new NavigationHolder(new PageNavigationHandler(),
new DefaultNavigationHandlerFactory(), bean.getClass().getMethod("nextPage"));
action.setNavigationHolder(navigationHolder);
assert null == action.findActionForward(bean, new TestContextImpl(request));