anchor.diff:    });
   
     test('Can add/remove directory', () async {
  -    final pin.Manager pinManager = _makePinManager();
  +    final pin.Manager pinManager = makePinManager();
   
       final dto.Directory directory = dto.Directory(path: 'root/Heron/Aegeus');
       pinManager.pin('host', dto.CollectionFile(Right(directory)));
  
positive.code:   }
  
    test('Can add/remove song', () async {
      final pin.Manager pinManager = _makePinManager();
  
      final dto.Song song = dto.Song(path: 'root/Heron/Aegeus/Labyrinth.mp3');
      pinManager.pin('host', dto.CollectionFile(Left(song)));
  
negative.code: import 'package:polaris/core/dto.dart' as dto;
  
  void main() {
    pin.Manager makePinManager() {
      final mockHttpClient = mock.HttpClient();
      final collectionCache = CollectionCache(Collection());
      final connectionManager = connection.Manager(httpClient: mockHttpClient);
  