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

sdk/lib/_internal/pub_generated/test/dart2js/output_can_be_consumed_by_successive_phases.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.
 
 import '../descriptor.dart' as d;
 import '../test_pub.dart';
 import '../serve/utils.dart';
 
 /// The code for a transformer that renames ".js" files to ".out".
 const JS_REWRITE_TRANSFORMER = """
@@ skipping 12 matching lines @@
       transform.addOutput(new Asset.fromString(id, contents));
     });
   }
 }
 """;
 
 main() {
   initConfig();
   withBarbackVersions("any", () {
     integration("output can be consumed by successive phases", () {
-      d.dir(appPath, [
-        d.pubspec({
+      d.dir(appPath, [d.pubspec({
           "name": "myapp",
           "transformers": ["\$dart2js", "myapp/src/transformer"]
         }),
-        d.dir("lib", [d.dir("src", [
-          d.file("transformer.dart", JS_REWRITE_TRANSFORMER)
-        ])]),
-        d.dir("web", [d.file("main.dart", "void main() {}")])
-      ]).create();
+            d.dir(
+                "lib",
+                [d.dir("src", [d.file("transformer.dart", JS_REWRITE_TRANSFORMER)])]),
+            d.dir("web", [d.file("main.dart", "void main() {}")])]).create();
 
       createLockFile('myapp', pkg: ['barback']);
 
       pubServe();
       requestShouldSucceed("main.dart.out", isUnminifiedDart2JSOutput);
       endPubServe();
     });
   });
 }