Regenerate pub sources.

sdk/lib/_internal/pub_generated/test/get/dry_run_does_not_apply_changes_test.dart

Index: sdk/lib/_internal/pub_generated/test/get/dry_run_does_not_apply_changes_test.dart
diff --git a/sdk/lib/_internal/pub_generated/test/get/dry_run_does_not_apply_changes_test.dart b/sdk/lib/_internal/pub_generated/test/get/dry_run_does_not_apply_changes_test.dart
index 3fc7aa236b9d67f73e0899652db5df6155097f61..a23d6bdcd08159a149d1919e5c66a3bd92af4d5b 100644
--- a/sdk/lib/_internal/pub_generated/test/get/dry_run_does_not_apply_changes_test.dart
+++ b/sdk/lib/_internal/pub_generated/test/get/dry_run_does_not_apply_changes_test.dart
@@ -1,21 +1,31 @@
+// Copyright (c) 2014, 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 '../descriptor.dart' as d;
 import '../test_pub.dart';
+
 main() {
   initConfig();
   integration("--dry-run shows but does not apply changes", () {
     servePackages((builder) {
       builder.serve("foo", "1.0.0");
     });
+
     d.appDir({
       "foo": "1.0.0"
     }).create();
+
     pubGet(
         args: ["--dry-run"],
         output: allOf(
             [contains("+ foo 1.0.0"), contains("Would change 1 dependency.")]));
-    d.dir(
-        appPath,
-        [d.nothing("pubspec.lock"), d.nothing("packages")]).validate();
+
+    d.dir(appPath, [// The lockfile should not be created.
+      d.nothing("pubspec.lock"),
+          // The "packages" directory should not have been generated.
+      d.nothing("packages")]).validate();
   });
 }