Regenerate pub sources.

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

Index: sdk/lib/_internal/pub_generated/test/transformer/multiple_transformers_reject_their_config_test.dart
diff --git a/sdk/lib/_internal/pub_generated/test/transformer/multiple_transformers_reject_their_config_test.dart b/sdk/lib/_internal/pub_generated/test/transformer/multiple_transformers_reject_their_config_test.dart
index e5f7f509bad3474e4b0b1cede7ad1c3d8e2434bc..6a87bcbe06d5c241f05f36dc765cec467e792760 100644
--- a/sdk/lib/_internal/pub_generated/test/transformer/multiple_transformers_reject_their_config_test.dart
+++ b/sdk/lib/_internal/pub_generated/test/transformer/multiple_transformers_reject_their_config_test.dart
@@ -1,9 +1,16 @@
+// Copyright (c) 2014, 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';
+
 const REJECT_CONFIG_TRANSFORMER = """
 import 'dart:async';
 
@@ -18,8 +25,10 @@ class RejectConfigTransformer extends Transformer {
   Future apply(Transform transform) {}
 }
 """;
+
 main() {
   initConfig();
+
   withBarbackVersions("any", () {
     integration(
         "multiple transformers in the same phase reject their " "configurations",
@@ -46,7 +55,11 @@ main() {
                     d.dir(
                         "src",
                         [d.file("transformer.dart", REJECT_CONFIG_TRANSFORMER)])])]).create();
+
       createLockFile('myapp', pkg: ['barback']);
+
+      // We should see three instances of the error message, once for each
+      // use of the transformer.
       var pub = startPubServe();
       for (var i = 0; i < 3; i++) {
         pub.stderr.expect(