| Index: tests/lib_strong/html/event_customevent_test.dart | 
| diff --git a/tests/lib_strong/html/event_customevent_test.dart b/tests/lib_strong/html/event_customevent_test.dart | 
| index cbda1a78774b416d7a8077e4240853307d7d704f..4cb5066f3e18bcb743a54963edadfc11194a8a4c 100644 | 
| --- a/tests/lib_strong/html/event_customevent_test.dart | 
| +++ b/tests/lib_strong/html/event_customevent_test.dart | 
| @@ -44,7 +44,7 @@ main() { | 
| var fired = false; | 
| window.on['js_custom_event'].listen((ev) { | 
| fired = true; | 
| -      expect(ev.detail, {'type': 'detail'}); | 
| +      expect((ev as CustomEvent).detail, {'type': 'detail'}); | 
| }); | 
|  | 
| var script = new ScriptElement(); | 
|  |