Store the async-await compiled pub code directly in the repo.

sdk/lib/_internal/pub_generated/test/run/nonexistent_script_in_dependency_test.dart

Index: sdk/lib/_internal/pub_generated/test/run/nonexistent_script_in_dependency_test.dart
diff --git a/sdk/lib/_internal/pub/test/run/nonexistent_script_in_dependency_test.dart b/sdk/lib/_internal/pub_generated/test/run/nonexistent_script_in_dependency_test.dart
similarity index 53%
copy from sdk/lib/_internal/pub/test/run/nonexistent_script_in_dependency_test.dart
copy to sdk/lib/_internal/pub_generated/test/run/nonexistent_script_in_dependency_test.dart
index 88fdfc06586fa228a6fc3aac42d7413fe65f71de..8893479de08af522e874e697ff532940b7f18fc3 100644
--- a/sdk/lib/_internal/pub/test/run/nonexistent_script_in_dependency_test.dart
+++ b/sdk/lib/_internal/pub_generated/test/run/nonexistent_script_in_dependency_test.dart
@@ -1,28 +1,17 @@
-// Copyright (c) 2014, 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 'package:path/path.dart' as p;
-
 import '../../lib/src/exit_codes.dart' as exit_codes;
 import '../descriptor.dart' as d;
 import '../test_pub.dart';
-
 main() {
   initConfig();
   integration('Errors if the script in a dependency does not exist.', () {
-    d.dir("foo", [
-      d.libPubspec("foo", "1.0.0")
-    ]).create();
-
-    d.dir(appPath, [
-      d.appPubspec({
-        "foo": {"path": "../foo"}
-      })
-    ]).create();
-
+    d.dir("foo", [d.libPubspec("foo", "1.0.0")]).create();
+    d.dir(appPath, [d.appPubspec({
+        "foo": {
+          "path": "../foo"
+        }
+      })]).create();
     pubGet();
-
     var pub = pubRun(args: ["foo:script"]);
     pub.stderr.expect(
         "Could not find ${p.join("bin", "script.dart")} in package foo.");