Revert "Revert "Use native async/await support in pub.""

sdk/lib/_internal/pub_generated/test/lish/archives_and_uploads_a_package_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 'package:shelf/shelf.dart' as shelf;
-
-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.validPackage.create);
-
-  integration('archives and uploads a package', () {
-    var server = new ScheduledServer();
-    d.credentialsFile(server, 'access token').create();
-    var pub = startPublish(server);
-
-    confirmPublish(pub);
-    handleUploadForm(server);
-    handleUpload(server);
-
-    server.handle('GET', '/create', (request) {
-      return new shelf.Response.ok(JSON.encode({
-        'success': {
-          'message': 'Package test_pkg 1.0.0 uploaded!'
-        }
-      }));
-    });
-
-    pub.stdout.expect(startsWith('Uploading...'));
-    pub.stdout.expect('Package test_pkg 1.0.0 uploaded!');
-    pub.shouldExit(exit_codes.SUCCESS);
-  });
-
-  // TODO(nweiz): Once a multipart/form-data parser in Dart exists, we should
-  // test that "pub lish" chooses the correct files to publish.
-}