Regenerate pub sources.

sdk/lib/_internal/pub_generated/test/serve/gets_first_if_dependency_is_not_installed_test.dart

Index: sdk/lib/_internal/pub_generated/test/serve/gets_first_if_dependency_is_not_installed_test.dart
diff --git a/sdk/lib/_internal/pub_generated/test/serve/gets_first_if_dependency_is_not_installed_test.dart b/sdk/lib/_internal/pub_generated/test/serve/gets_first_if_dependency_is_not_installed_test.dart
index ec3e7ee3972a8173259d5ccc341888410c5aadb5..ba727603f58a3b1393b970320698dc46a00fedd7 100644
--- a/sdk/lib/_internal/pub_generated/test/serve/gets_first_if_dependency_is_not_installed_test.dart
+++ b/sdk/lib/_internal/pub_generated/test/serve/gets_first_if_dependency_is_not_installed_test.dart
@@ -1,19 +1,32 @@
+// 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.
+
 library pub_tests;
+
 import 'package:path/path.dart' as path;
 import 'package:scheduled_test/scheduled_test.dart';
+
 import '../../lib/src/io.dart';
 import '../descriptor.dart' as d;
 import '../test_pub.dart';
 import 'utils.dart';
+
 main() {
   initConfig();
   integration("gets first if a dependency is not installed", () {
     servePackages((builder) => builder.serve("foo", "1.2.3"));
+
     d.appDir({
       "foo": "1.2.3"
     }).create();
+
+    // Run pub to get a lock file.
     pubGet();
+
+    // Delete the system cache so it isn't installed any more.
     schedule(() => deleteEntry(path.join(sandboxDir, cachePath)));
+
     pubServe(shouldGetFirst: true);
     requestShouldSucceed("packages/foo/foo.dart", 'main() => "foo 1.2.3";');
     endPubServe();