Regenerate pub sources.

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

Index: sdk/lib/_internal/pub_generated/test/transformer/fails_to_load_a_file_that_defines_no_transforms_test.dart
diff --git a/sdk/lib/_internal/pub_generated/test/transformer/fails_to_load_a_file_that_defines_no_transforms_test.dart b/sdk/lib/_internal/pub_generated/test/transformer/fails_to_load_a_file_that_defines_no_transforms_test.dart
index 3c250bd5cbbc67d670e1452b21cff092a9df8644..f4cddcb4e5120c52f4f6020a0a9aea41544ef1bf 100644
--- a/sdk/lib/_internal/pub_generated/test/transformer/fails_to_load_a_file_that_defines_no_transforms_test.dart
+++ b/sdk/lib/_internal/pub_generated/test/transformer/fails_to_load_a_file_that_defines_no_transforms_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_stream.dart';
 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 a file that defines no transforms", () {
       d.dir(appPath, [d.pubspec({
@@ -13,7 +21,9 @@ main() {
           "transformers": ["myapp/transformer"]
         }),
             d.dir("lib", [d.file("transformer.dart", "library does_nothing;")])]).create();
+
       createLockFile('myapp', pkg: ['barback']);
+
       var pub = startPubServe();
       pub.stderr.expect(startsWith('No transformers were defined in '));
       pub.stderr.expect(startsWith('required by myapp.'));