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

sdk/lib/_internal/pub_generated/test/lish/upload_form_fields_has_a_non_string_value_test.dart

-// Copyright (c) 2013, 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 'dart:convert';
-
 import 'package:scheduled_test/scheduled_test.dart';
 import 'package:scheduled_test/scheduled_server.dart';
-
 import '../descriptor.dart' as d;
 import '../test_pub.dart';
 import 'utils.dart';
-
 main() {
   initConfig();
   setUp(d.validPackage.create);
-
   integration('upload form fields has a non-string value', () {
     var server = new ScheduledServer();
     d.credentialsFile(server, 'access token').create();
     var pub = startPublish(server);
-
     confirmPublish(pub);
-
     var body = {
       'url': 'http://example.com/upload',
-      'fields': {'field': 12}
+      'fields': {
+        'field': 12
+      }
     };
     handleUploadForm(server, body);
     pub.stderr.expect('Invalid server response:');
     pub.stderr.expect(JSON.encode(body));
     pub.shouldExit(1);
   });
 }