anchor.diff:    Expect.isTrue(list_intf.isClass);
     Expect.equals(const Symbol('Iterable'),
                   list_intf.superinterfaces[0].simpleName);
  -  // TODO(ahe): toString() test disabled for now as Symbols are 100% opaque.
  -  // Expect.equals("ClassMirror on 'List'", list_intf.toString());
  +  Expect.equals("ClassMirror on 'List'", list_intf.toString());
   
     // Lookup a class from a library and make sure it is sane.
     ClassMirror oom_cls = core_lib.members[const Symbol('OutOfMemoryError')];
  
positive.code:   Expect.equals(null, lib_mirror.owner);
    Expect.isFalse(lib_mirror.isPrivate);
    Expect.isTrue(lib_mirror.uri.path.contains('isolate_mirror_local_test.dart'));
    // TODO(ahe): toString() test disabled for now as Symbols are 100% opaque.
    // Expect.equals("LibraryMirror on 'isolate_mirror_local_test'",
    //               lib_mirror.toString());
  
    // Test library invocation by calling function(123).
    Expect.equals(0, global_var);
  
negative.code:   Expect.equals(const Symbol('dart.core'), oom_cls.owner.simpleName);
    Expect.isTrue(oom_cls.isClass);
    Expect.equals(const Symbol('Error'), oom_cls.superinterfaces[0].simpleName);
    Expect.equals("ClassMirror on 'OutOfMemoryError'",
                  oom_cls.toString());
    testDone('testLibrariesMap');
  }
  
  