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

sdk/lib/_internal/pub_generated/test/transformer/runs_a_third_party_transform_on_the_application_package_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 transform on the application package", () {
-      d.dir("foo", [
-        d.libPubspec("foo", '1.0.0'),
-        d.dir("lib", [
-          d.file("foo.dart", REWRITE_TRANSFORMER)
-        ])
-      ]).create();
+      d.dir(
+          "foo",
+          [
+              d.libPubspec("foo", '1.0.0'),
+              d.dir("lib", [d.file("foo.dart", REWRITE_TRANSFORMER)])]).create();
 
-      d.dir(appPath, [
-        d.pubspec({
+      d.dir(appPath, [d.pubspec({
           "name": "myapp",
-          "dependencies": {"foo": {"path": "../foo"}},
+          "dependencies": {
+            "foo": {
+              "path": "../foo"
+            }
+          },
           "transformers": ["foo"]
-        }),
-        d.dir("web", [
-          d.file("foo.txt", "foo")
-        ])
-      ]).create();
+        }), d.dir("web", [d.file("foo.txt", "foo")])]).create();
 
       createLockFile('myapp', sandbox: ['foo'], pkg: ['barback']);
 
       pubServe();
       requestShouldSucceed("foo.out", "foo.out");
       endPubServe();
     });
   });
 }