Regenerate pub sources.

sdk/lib/_internal/pub_generated/test/global/run/unknown_package_test.dart

Index: sdk/lib/_internal/pub_generated/test/global/run/unknown_package_test.dart
diff --git a/sdk/lib/_internal/pub_generated/test/global/run/unknown_package_test.dart b/sdk/lib/_internal/pub_generated/test/global/run/unknown_package_test.dart
index 0382ebcd76646643a9a617c1e3215114c73d4ea9..dedce44cec54c7af793eea42791ca2672b485988 100644
--- a/sdk/lib/_internal/pub_generated/test/global/run/unknown_package_test.dart
+++ b/sdk/lib/_internal/pub_generated/test/global/run/unknown_package_test.dart
@@ -1,10 +1,17 @@
+// 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 '../../../lib/src/exit_codes.dart' as exit_codes;
 import '../../test_pub.dart';
+
 main() {
   initConfig();
   integration('errors if the package is not activated', () {
     serveNoPackages();
+
     schedulePub(
         args: ["global", "run", "foo:bar"],
         error: startsWith("No active package foo."),