Add mirrors tests

test/codegen/lib/mirrors/library_imports_bad_metadata_test.dart

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // 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.library_imports_bad_metadata;
 
+@undefined  /// 01: compile-time error
 import 'dart:mirrors';
-
 import 'package:expect/expect.dart';
 
-enum Foo { BAR, BAZ }
+main() {
+  LibraryMirror thisLibrary =
+      currentMirrorSystem().findLibrary(#test.library_imports_bad_metadata);
 
-main() {
-  Expect.equals('Foo.BAR', Foo.BAR.toString());
-  var name = reflect(Foo.BAR).invoke(#toString, []).reflectee;
-  Expect.equals('Foo.BAR', name);
+  thisLibrary.libraryDependencies.forEach((dep) {
+    Expect.listEquals([], dep.metadata);
+  });
 }