Regenerate pub sources.

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

Index: sdk/lib/_internal/pub_generated/test/transformer/fails_to_load_an_unconfigurable_transformer_when_config_is_passed_test.dart
diff --git a/sdk/lib/_internal/pub_generated/test/transformer/fails_to_load_an_unconfigurable_transformer_when_config_is_passed_test.dart b/sdk/lib/_internal/pub_generated/test/transformer/fails_to_load_an_unconfigurable_transformer_when_config_is_passed_test.dart
index f85093a692f2d68ae3451dfa0eba00ed3c025c81..7c20db7fd9bb2a887bc2a8f442b2f102eed96950 100644
--- a/sdk/lib/_internal/pub_generated/test/transformer/fails_to_load_an_unconfigurable_transformer_when_config_is_passed_test.dart
+++ b/sdk/lib/_internal/pub_generated/test/transformer/fails_to_load_an_unconfigurable_transformer_when_config_is_passed_test.dart
@@ -1,10 +1,18 @@
+// 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 '../descriptor.dart' as d;
 import '../test_pub.dart';
 import '../serve/utils.dart';
+
 main() {
   initConfig();
+
   withBarbackVersions("any", () {
     integration(
         "fails to load an unconfigurable transformer when config is " "passed",
@@ -20,7 +28,9 @@ main() {
             d.dir(
                 "lib",
                 [d.dir("src", [d.file("transformer.dart", REWRITE_TRANSFORMER)])])]).create();
+
       createLockFile('myapp', pkg: ['barback']);
+
       var pub = startPubServe();
       pub.stderr.expect(
           startsWith('No transformers that accept configuration ' 'were defined in '));