pkg/unittest: add @proxy to Mock

pkg/unittest/test/matchers_test.dart

Index: pkg/unittest/test/matchers_test.dart
diff --git a/pkg/unittest/test/matchers_test.dart b/pkg/unittest/test/matchers_test.dart
index 9f8e121944b59f8fcb564ca5808fa769121c4cbc..0b5103d383f8fa74988845e9ea5d9f58e5231a10 100644
--- a/pkg/unittest/test/matchers_test.dart
+++ b/pkg/unittest/test/matchers_test.dart
@@ -733,9 +733,7 @@ void main() {
     // TODO(gram): extend this to more types; for now this is just
     // the types being added in this CL.
 
-    // TODO: enable this test when it works.
-    // See issue 12052.
-    skip_test('throwsCyclicInitializationError', () {
+    test('throwsCyclicInitializationError', () {
       expect(() => new Bicycle(), throwsCyclicInitializationError);
     });
 
@@ -762,6 +760,7 @@ void main() {
         switch (a) {
           case 0:
             a += 1;
+            break;

[Siggi Cherem (dart-lang), 2014/01/10 23:23:32]

I think the idea of this test was to purposely leave out this break.

[kevmoo, 2014/01/10 23:37:45]

Done.

           case 1:
             return;
         }