Rename the package to "test".

lib/src/runner/vm/isolate_test.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 unittest.runner.vm.isolate_test;
+library test.runner.vm.isolate_test;
 
 import 'dart:isolate';
 
 import '../../backend/live_test.dart';
 import '../../backend/live_test_controller.dart';
 import '../../backend/metadata.dart';
 import '../../backend/state.dart';
 import '../../backend/suite.dart';
 import '../../backend/test.dart';
 import '../../util/remote_exception.dart';
@@ skipping 36 matching lines @@
           assert(message['type'] == 'complete');
           controller.completer.complete();
         }
       });
     }, onClose: () {
       if (receivePort != null) receivePort.close();
     });
     return controller.liveTest;
   }
 }