Add mirrors tests

test/codegen/lib/mirrors/runtime_type_test.dart

Index: test/codegen/lib/mirrors/runtime_type_test.dart
diff --git a/test/codegen/language/enum_mirror_test.dart b/test/codegen/lib/mirrors/runtime_type_test.dart
similarity index 59%
copy from test/codegen/language/enum_mirror_test.dart
copy to test/codegen/lib/mirrors/runtime_type_test.dart
index e85f121a01980d01bcf1b4a23f7b8db85a95a903..fd446d32b0b8db6da48163ebc0020d62f4c831db 100644
--- a/test/codegen/language/enum_mirror_test.dart
+++ b/test/codegen/lib/mirrors/runtime_type_test.dart
@@ -2,16 +2,19 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-// SharedOptions=--enable-enum
+library test.runtime_type_test;
 
+@MirrorsUsed(targets: 'test.runtime_type_test', override: '*')
 import 'dart:mirrors';
 
 import 'package:expect/expect.dart';
 
-enum Foo { BAR, BAZ }
+class A {}
+
+class B {
+  get runtimeType => A;
+}
 
 main() {
-  Expect.equals('Foo.BAR', Foo.BAR.toString());
-  var name = reflect(Foo.BAR).invoke(#toString, []).reflectee;
-  Expect.equals('Foo.BAR', name);
+  Expect.equals(reflect(new B()).type, reflectClass(B));
 }