Remove some more library directives

pkg/analysis_server/test/services/correction/change_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 test.services.correction.change;
-
 import 'package:analysis_server/src/constants.dart';
 import 'package:analysis_server/src/protocol_server.dart';
 import 'package:analyzer/src/generated/source.dart';
 import 'package:test/test.dart';
 import 'package:test_reflective_loader/test_reflective_loader.dart';
 
 main() {
   defineReflectiveSuite(() {
     defineReflectiveTests(ChangeTest);
     defineReflectiveTests(EditTest);
@@ skipping 272 matching lines @@
     expect(position.offset, 1);
     expect(position.toString(), '{"file":"/test.dart","offset":1}');
   }
 
   void test_toJson() {
     Position position = new Position('/test.dart', 1);
     var expectedJson = {FILE: '/test.dart', OFFSET: 1};
     expect(position.toJson(), expectedJson);
   }
 }