Get rid of all the library tags.

lib/src/runner.dart

 // Copyright (c) 2015, 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.
 
-library test.runner;
-
 import 'dart:async';
 import 'dart:io';
 
 import 'package:async/async.dart';
 
 import 'backend/group.dart';
 import 'backend/group_entry.dart';
 import 'backend/suite.dart';
 import 'backend/test.dart';
 import 'backend/test_platform.dart';
@@ skipping 284 matching lines @@
       await _debugOperation.valueOrCancellation();
     }).listen(null);
 
     var results = await Future.wait([
       _suiteSubscription.asFuture().then((_) => _engine.suiteSink.close()),
       _engine.run()
     ]);
     return results.last;
   }
 }