Regenerate pub sources.

sdk/lib/_internal/pub_generated/test/list_package_dirs/no_lockfile_test.dart

Index: sdk/lib/_internal/pub_generated/test/list_package_dirs/no_lockfile_test.dart
diff --git a/sdk/lib/_internal/pub_generated/test/list_package_dirs/no_lockfile_test.dart b/sdk/lib/_internal/pub_generated/test/list_package_dirs/no_lockfile_test.dart
index d0c2ab12ef8bab78cbaa2b45f3d8d791770bc649..7bc95704465a791c4ae96f16871c13048f41c020 100644
--- a/sdk/lib/_internal/pub_generated/test/list_package_dirs/no_lockfile_test.dart
+++ b/sdk/lib/_internal/pub_generated/test/list_package_dirs/no_lockfile_test.dart
@@ -1,10 +1,16 @@
+// Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS d.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 d.file.
+
 import '../../lib/src/exit_codes.dart' as exit_codes;
 import '../descriptor.dart' as d;
 import '../test_pub.dart';
+
 main() {
   initConfig();
   integration('with no lockfile, exits with error', () {
     d.dir(appPath, [d.appPubspec()]).create();
+
     schedulePub(args: ["list-package-dirs", "--format=json"], outputJson: {
       "error": 'Package "myapp" has no lockfile. Please run "pub get" first.'
     }, exitCode: exit_codes.DATA);