Settings menu item in stock2 doesn't work

sky/tests/resources/display_list.dart

 
 import 'dart:async';
 import 'dart:sky' as sky;
 import "dart:sky.internals" as internals;
 
 import 'package:sky/widgets/basic.dart';
 import 'package:sky/rendering/box.dart';
 import 'package:sky/rendering/object.dart';
 
 typedef void Logger (String s);
@@ skipping 142 matching lines @@
     print(lastPaint); // TODO(ianh): figure out how to make this fit the unit testing framework better
   }
 
   void endTest() {
     internals.notifyTestComplete("PAINTED $frame FRAMES");
   }
 
 }
 
 class TestApp extends App {
-  TestApp({
-    this.builder,
-    RenderView renderViewOverride
-  }) : super(renderViewOverride: renderViewOverride);
+  TestApp({ this.builder });
 
   Function builder;
 
   Widget build() {
     return builder();
   }
 }
 
 class WidgetTester {
   TestRenderView renderView = new TestRenderView();
 
   Future test(Function builder) {
-    new TestApp(renderViewOverride: renderView, builder: builder);
+    runApp(new TestApp(builder: builder), renderViewOverride: renderView);
     return new Future.microtask(renderView.checkFrame);
   }
 
   Future endTest() {
     return new Future.microtask(renderView.endTest);
   }
 }