Regenerate pub sources.

sdk/lib/_internal/pub_generated/test/barback/fails_on_disallowed_directories_test.dart

Index: sdk/lib/_internal/pub_generated/test/barback/fails_on_disallowed_directories_test.dart
diff --git a/sdk/lib/_internal/pub_generated/test/barback/fails_on_disallowed_directories_test.dart b/sdk/lib/_internal/pub_generated/test/barback/fails_on_disallowed_directories_test.dart
index a16e7a6f5851b2d7a3ad2501aa0d240027281c3f..507ac4d976df00ffaeb2afd33dd0c8f2cf0913e0 100644
--- a/sdk/lib/_internal/pub_generated/test/barback/fails_on_disallowed_directories_test.dart
+++ b/sdk/lib/_internal/pub_generated/test/barback/fails_on_disallowed_directories_test.dart
@@ -1,14 +1,22 @@
+// 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.
+
 import 'package:path/path.dart' as path;
 import 'package:scheduled_test/scheduled_test.dart';
+
 import '../../lib/src/exit_codes.dart' as exit_codes;
 import '../descriptor.dart' as d;
 import '../test_pub.dart';
 import 'utils.dart';
+
 main() {
   initConfig();
+
   setUp(() {
     d.appDir().create();
   });
+
   var libSub = path.join("lib", "sub");
   pubBuildAndServeShouldFail(
       "if given directories are not allowed",