Regenerate pub sources.

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

Index: sdk/lib/_internal/pub_generated/test/barback/fails_on_overlapping_directories_test.dart
diff --git a/sdk/lib/_internal/pub_generated/test/barback/fails_on_overlapping_directories_test.dart b/sdk/lib/_internal/pub_generated/test/barback/fails_on_overlapping_directories_test.dart
index c194bc423cad3d6571aa09341ee266a89c0fde5f..a66e87ec32e3e7ab8ba95a4037b10b82e9fd9e2d 100644
--- a/sdk/lib/_internal/pub_generated/test/barback/fails_on_overlapping_directories_test.dart
+++ b/sdk/lib/_internal/pub_generated/test/barback/fails_on_overlapping_directories_test.dart
@@ -1,11 +1,18 @@
+// 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.dir(
         appPath,
@@ -21,19 +28,23 @@ main() {
                             d.dir("sub2", [d.file("file.txt", "contents")]),
                             d.dir("sub3", [d.file("file.txt", "contents")])])])]).create();
   });
+
   var webSub1 = path.join("web", "sub1");
   var webSub1Sub2 = path.join("web", "sub1", "sub2");
   var webSub1Sub3 = path.join("web", "sub1", "sub3");
+
   pubBuildAndServeShouldFail(
       "if a superdirectory follows a subdirectory",
       args: [webSub1Sub2, webSub1],
       error: 'Directories "$webSub1Sub2" and "$webSub1" cannot overlap.',
       exitCode: exit_codes.USAGE);
+
   pubBuildAndServeShouldFail(
       "if a subdirectory follows a superdirectory",
       args: [webSub1, webSub1Sub2],
       error: 'Directories "$webSub1" and "$webSub1Sub2" cannot overlap.',
       exitCode: exit_codes.USAGE);
+
   pubBuildAndServeShouldFail(
       "if multiple directories overlap",
       args: [webSub1, webSub1Sub2, webSub1Sub3],