Regenerate pub sources.

sdk/lib/_internal/pub_generated/test/transformer/fails_to_load_a_pubspec_with_reserved_transformer_test.dart

Index: sdk/lib/_internal/pub_generated/test/transformer/fails_to_load_a_pubspec_with_reserved_transformer_test.dart
diff --git a/sdk/lib/_internal/pub_generated/test/transformer/fails_to_load_a_pubspec_with_reserved_transformer_test.dart b/sdk/lib/_internal/pub_generated/test/transformer/fails_to_load_a_pubspec_with_reserved_transformer_test.dart
index 25f887520efdcb1884919e1695ed5a717540c698..a9eebf3bdd2a82d2efa7abd3ee4a5bac6d65b79b 100644
--- a/sdk/lib/_internal/pub_generated/test/transformer/fails_to_load_a_pubspec_with_reserved_transformer_test.dart
+++ b/sdk/lib/_internal/pub_generated/test/transformer/fails_to_load_a_pubspec_with_reserved_transformer_test.dart
@@ -1,11 +1,19 @@
+// 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 file.
+
 library pub_tests;
+
 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 '../serve/utils.dart';
+
 main() {
   initConfig();
+
   withBarbackVersions("any", () {
     integration("fails to load a pubspec with reserved transformer", () {
       d.dir(appPath, [d.pubspec({
@@ -15,7 +23,9 @@ main() {
             d.dir(
                 "lib",
                 [d.dir("src", [d.file("transformer.dart", REWRITE_TRANSFORMER)])])]).create();
+
       createLockFile('myapp', pkg: ['barback']);
+
       var pub = startPubServe();
       pub.stderr.expect(
           contains(