Example test for CardCollectionApp (Dismissable, VariableHeightScrollable)

sky/tests/examples/card_collection.dart

Index: sky/tests/examples/card_collection.dart
diff --git a/sky/tests/examples/styled_text.dart b/sky/tests/examples/card_collection.dart
similarity index 81%
copy from sky/tests/examples/styled_text.dart
copy to sky/tests/examples/card_collection.dart
index 5caa936d61252dd25661fcff7a53e6fd76e1deac..53874c6df78e4375775788f25d7f3fc94908675d 100644
--- a/sky/tests/examples/styled_text.dart
+++ b/sky/tests/examples/card_collection.dart
@@ -6,12 +6,12 @@ import 'dart:async';
 
 import 'package:sky/widgets/widget.dart';
 
-import '../../sdk/example/widgets/styled_text.dart';
+import '../../sdk/example/widgets/card_collection.dart';
 import '../resources/display_list.dart';
 
 main() async {
   TestRenderView testRenderView = new TestRenderView();
-  StyledTextApp app = new StyledTextApp();
+  CardCollectionApp app = new CardCollectionApp();
   runApp(app, renderViewOverride: testRenderView);
   await testRenderView.checkFrame();
   testRenderView.endTest();