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

sdk/lib/_internal/pub_generated/test/transformer/runs_a_third_party_transformer_on_a_local_transformer_test.dart

 // 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 '../descriptor.dart' as d;
 import '../test_pub.dart';
 import '../serve/utils.dart';
 
 main() {
   initConfig();
   withBarbackVersions("any", () {
     integration("runs a third-party transformer on a local transformer", () {
-      d.dir("foo", [
-        d.libPubspec("foo", '1.0.0'),
-        d.dir("lib", [
-          d.file("transformer.dart", dartTransformer('foo'))
-        ])
-      ]).create();
+      d.dir(
+          "foo",
+          [
+              d.libPubspec("foo", '1.0.0'),
+              d.dir("lib", [d.file("transformer.dart", dartTransformer('foo'))])]).create();
 
-      d.dir(appPath, [
-        d.pubspec({
+      d.dir(appPath, [d.pubspec({
           "name": "myapp",
           "transformers": ["foo/transformer", "myapp/transformer"],
-          "dependencies": {"foo": {"path": "../foo"}}
+          "dependencies": {
+            "foo": {
+              "path": "../foo"
+            }
+          }
         }),
-        d.dir("lib", [
-          d.file("transformer.dart", dartTransformer('myapp'))
-        ]),
-        d.dir("web", [
-          d.file("main.dart", 'const TOKEN = "main.dart";')
-        ])
-      ]).create();
+            d.dir("lib", [d.file("transformer.dart", dartTransformer('myapp'))]),
+            d.dir("web", [d.file("main.dart", 'const TOKEN = "main.dart";')])]).create();
 
       createLockFile('myapp', sandbox: ['foo'], pkg: ['barback']);
 
       pubServe();
-      requestShouldSucceed("main.dart",
+      requestShouldSucceed(
+          "main.dart",
           'const TOKEN = "((main.dart, foo), (myapp, foo))";');
       endPubServe();
     });
   });
 }