Regenerate pub sources.

sdk/lib/_internal/pub_generated/test/oauth2/with_an_expired_credentials_without_a_refresh_token_authenticates_again_test.dart

Index: sdk/lib/_internal/pub_generated/test/oauth2/with_an_expired_credentials_without_a_refresh_token_authenticates_again_test.dart
diff --git a/sdk/lib/_internal/pub_generated/test/oauth2/with_an_expired_credentials_without_a_refresh_token_authenticates_again_test.dart b/sdk/lib/_internal/pub_generated/test/oauth2/with_an_expired_credentials_without_a_refresh_token_authenticates_again_test.dart
index 6250238d887f7232315cbe79292719b5879a74b0..4dabe89f5c0614c52e5030d5bc7545590f95564e 100644
--- a/sdk/lib/_internal/pub_generated/test/oauth2/with_an_expired_credentials_without_a_refresh_token_authenticates_again_test.dart
+++ b/sdk/lib/_internal/pub_generated/test/oauth2/with_an_expired_credentials_without_a_refresh_token_authenticates_again_test.dart
@@ -1,9 +1,15 @@
+// Copyright (c) 2012, 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:scheduled_test/scheduled_test.dart';
 import 'package:scheduled_test/scheduled_server.dart';
 import 'package:shelf/shelf.dart' as shelf;
+
 import '../descriptor.dart' as d;
 import '../test_pub.dart';
 import 'utils.dart';
+
 main() {
   initConfig();
   integration(
@@ -11,24 +17,33 @@ main() {
           'authenticates again and saves credentials.json',
       () {
     d.validPackage.create();
+
     var server = new ScheduledServer();
     d.credentialsFile(
         server,
         'access token',
         expiration: new DateTime.now().subtract(new Duration(hours: 1))).create();
+
     var pub = startPublish(server);
     confirmPublish(pub);
+
     pub.stderr.expect(
         "Pub's authorization to upload packages has expired and "
             "can't be automatically refreshed.");
     authorizePub(pub, server, "new access token");
+
     server.handle('GET', '/api/packages/versions/new', (request) {
       expect(
           request.headers,
           containsPair('authorization', 'Bearer new access token'));
+
       return new shelf.Response(200);
     });
+
+    // After we give pub an invalid response, it should crash. We wait for it to
+    // do so rather than killing it so it'll write out the credentials file.
     pub.shouldExit(1);
+
     d.credentialsFile(server, 'new access token').validate();
   });
 }