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

sdk/lib/_internal/pub_generated/test/dart2js/compiles_generated_file_from_dependency_test.dart

Index: sdk/lib/_internal/pub_generated/test/dart2js/compiles_generated_file_from_dependency_test.dart
diff --git a/sdk/lib/_internal/pub/test/dart2js/compiles_generated_file_from_dependency_test.dart b/sdk/lib/_internal/pub_generated/test/dart2js/compiles_generated_file_from_dependency_test.dart
similarity index 65%
copy from sdk/lib/_internal/pub/test/dart2js/compiles_generated_file_from_dependency_test.dart
copy to sdk/lib/_internal/pub_generated/test/dart2js/compiles_generated_file_from_dependency_test.dart
index 34be15a8ae3011045a9678187bd948d06a84b7c3..36416eca1408cb54e760b5ef5a30c44ac582dd81 100644
--- a/sdk/lib/_internal/pub/test/dart2js/compiles_generated_file_from_dependency_test.dart
+++ b/sdk/lib/_internal/pub_generated/test/dart2js/compiles_generated_file_from_dependency_test.dart
@@ -11,37 +11,28 @@ import '../serve/utils.dart';
 main() {
   initConfig();
   withBarbackVersions("any", () {
-    integration("compiles a Dart file that imports a generated file in another "
-                "package to JS", () {
-      d.dir("foo", [
-        d.pubspec({
+    integration(
+        "compiles a Dart file that imports a generated file in another "
+            "package to JS",
+        () {
+      d.dir("foo", [d.pubspec({
           "name": "foo",
           "version": "0.0.1",
           "transformers": ["foo/transformer"]
-        }),
-        d.dir("lib", [
-          d.file("foo.dart", """
+        }), d.dir("lib", [d.file("foo.dart", """
 library foo;
 const TOKEN = "before";
 foo() => TOKEN;
-"""),
-          d.file("transformer.dart", dartTransformer("munge"))
-        ])
-      ]).create();
+"""), d.file("transformer.dart", dartTransformer("munge"))])]).create();
 
-      d.dir(appPath, [
-        d.appPubspec({
+      d.dir(appPath, [d.appPubspec({
           "foo": {
             "path": "../foo"
           }
-        }),
-        d.dir("web", [
-          d.file("main.dart", """
+        }), d.dir("web", [d.file("main.dart", """
 import "package:foo/foo.dart";
 main() => print(foo());
-""")
-        ])
-      ]).create();
+""")])]).create();
 
       createLockFile("myapp", sandbox: ["foo"], pkg: ["barback"]);