Store the async-await compiled pub code directly in the repo.

sdk/lib/_internal/pub_generated/test/barback/fails_if_dir_outside_package_test.dart

Index: sdk/lib/_internal/pub_generated/test/barback/fails_if_dir_outside_package_test.dart
diff --git a/sdk/lib/_internal/pub/test/barback/fails_if_dir_outside_package_test.dart b/sdk/lib/_internal/pub_generated/test/barback/fails_if_dir_outside_package_test.dart
similarity index 54%
copy from sdk/lib/_internal/pub/test/barback/fails_if_dir_outside_package_test.dart
copy to sdk/lib/_internal/pub_generated/test/barback/fails_if_dir_outside_package_test.dart
index 7e662187e44c21dffc62e7c28bc6873ea49317bf..883d2ca3bdd77ddf5825c9553d0e90f956372142 100644
--- a/sdk/lib/_internal/pub/test/barback/fails_if_dir_outside_package_test.dart
+++ b/sdk/lib/_internal/pub_generated/test/barback/fails_if_dir_outside_package_test.dart
@@ -1,22 +1,15 @@
-// Copyright (c) 2014, 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 'package:scheduled_test/scheduled_test.dart';
-
 import '../../lib/src/exit_codes.dart' as exit_codes;
 import '../descriptor.dart' as d;
 import '../test_pub.dart';
 import 'utils.dart';
-
 main() {
   initConfig();
-
   setUp(() {
     d.appDir().create();
   });
-
-  pubBuildAndServeShouldFail("if source directory reaches outside the package",
+  pubBuildAndServeShouldFail(
+      "if source directory reaches outside the package",
       args: [".."],
       error: 'Directory ".." isn\'t in this package.',
       exitCode: exit_codes.USAGE);