Github user solomax commented on a diff in the pull request:
https://github.com/apache/wicket/pull/258#discussion_r164029616
--- Diff:
wicket-examples/src/main/java/org/apache/wicket/examples/ajax/builtin/AjaxApplication.java
---
@@ -44,6 +46,11 @@ protected void init()
getDebugSettings().setAjaxDebugModeEnabled(true);
+ setHeaderResponseDecorator(response -> {
--- End diff --
this can be simplified to be
```
tester.getApplication().setHeaderResponseDecorator(response -> new
ResourceAggregator(new JavaScriptDeferHeaderResponse(response)));
```
---