Get rid of all the library tags.

test/client/client_test.dart

 // Copyright (c) 2014, 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 json_rpc_2.test.client.client_test;
-
 import 'dart:async';
 import 'dart:convert';
 
 import 'package:test/test.dart';
 import 'package:json_rpc_2/error_code.dart' as error_code;
 import 'package:json_rpc_2/json_rpc_2.dart' as json_rpc;
 
 import 'utils.dart';
 
 void main() {
@@ skipping 213 matching lines @@
       return pumpEventQueue().then((_) => {
         'jsonrpc': '2.0',
         'result': 'right',
         'id': request['id']
       });
     });
 
     expect(controller.client.sendRequest("foo"), completion(equals('right')));
   });
 }