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

sdk/lib/_internal/pub_generated/test/serve/web_socket/url_to_asset_id_errors_test.dart

Index: sdk/lib/_internal/pub_generated/test/serve/web_socket/url_to_asset_id_errors_test.dart
diff --git a/sdk/lib/_internal/pub/test/serve/web_socket/url_to_asset_id_errors_test.dart b/sdk/lib/_internal/pub_generated/test/serve/web_socket/url_to_asset_id_errors_test.dart
similarity index 72%
copy from sdk/lib/_internal/pub/test/serve/web_socket/url_to_asset_id_errors_test.dart
copy to sdk/lib/_internal/pub_generated/test/serve/web_socket/url_to_asset_id_errors_test.dart
index 4fef6a257c9c3745ecf8f2d69daef7be1a58495f..d1fe009f7efc9fa0b37aff933ea53d763d2f117e 100644
--- a/sdk/lib/_internal/pub/test/serve/web_socket/url_to_asset_id_errors_test.dart
+++ b/sdk/lib/_internal/pub_generated/test/serve/web_socket/url_to_asset_id_errors_test.dart
@@ -1,23 +1,13 @@
-// 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.
-
 library pub_tests;
-
 import 'package:scheduled_test/scheduled_test.dart';
-
 import '../../descriptor.dart' as d;
 import '../../test_pub.dart';
 import '../utils.dart';
-
 main() {
   initConfig();
   setUp(() {
-    d.dir(appPath, [
-      d.appPubspec()
-    ]).create();
+    d.dir(appPath, [d.appPubspec()]).create();
   });
-
   integration("responds with NOT_SERVED for an unknown domain", () {
     pubServe();
     expectWebSocketError("urlToAssetId", {
@@ -25,7 +15,6 @@ main() {
     }, NOT_SERVED, '"example.com:80" is not being served by pub.');
     endPubServe();
   });
-
   integration("responds with NOT_SERVED for an unknown port", () {
     pubServe();
     expectWebSocketError("urlToAssetId", {
@@ -33,4 +22,4 @@ main() {
     }, NOT_SERVED, '"localhost:80" is not being served by pub.');
     endPubServe();
   });
-}
+}