Regenerate pub sources.

sdk/lib/_internal/pub_generated/test/dart2js/minify_configuration_overrides_mode_test.dart

Index: sdk/lib/_internal/pub_generated/test/dart2js/minify_configuration_overrides_mode_test.dart
diff --git a/sdk/lib/_internal/pub_generated/test/dart2js/minify_configuration_overrides_mode_test.dart b/sdk/lib/_internal/pub_generated/test/dart2js/minify_configuration_overrides_mode_test.dart
index 4842d536f23ec28f8ccedf5a6a44452fce98cb6a..025edab13f0ae2bbe69a33cdb21b7da58dbc65c9 100644
--- a/sdk/lib/_internal/pub_generated/test/dart2js/minify_configuration_overrides_mode_test.dart
+++ b/sdk/lib/_internal/pub_generated/test/dart2js/minify_configuration_overrides_mode_test.dart
@@ -1,6 +1,11 @@
+// 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.
+
 import '../descriptor.dart' as d;
 import '../test_pub.dart';
 import '../serve/utils.dart';
+
 main() {
   initConfig();
   integration("minify configuration overrides the mode", () {
@@ -12,6 +17,7 @@ main() {
             }
           }]
       })]).create();
+
     pubServe();
     requestShouldSucceed("main.dart.js", isMinifiedDart2JSOutput);
     endPubServe();