Rename the package to "test".

lib/src/runner/browser/iframe_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.browser.iframe_test;
+library test.runner.browser.iframe_test;
 
 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/multi_channel.dart';
 import '../../util/remote_exception.dart';
 
@@ skipping 31 matching lines @@
           controller.print(message['line']);
         } else {
           assert(message['type'] == 'complete');
           controller.completer.complete();
         }
       });
     });
     return controller.liveTest;
   }
 }