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

sdk/lib/_internal/pub_generated/test/get/path/nonexistent_dir_test.dart

Index: sdk/lib/_internal/pub_generated/test/get/path/nonexistent_dir_test.dart
diff --git a/sdk/lib/_internal/pub/test/get/path/nonexistent_dir_test.dart b/sdk/lib/_internal/pub_generated/test/get/path/nonexistent_dir_test.dart
similarity index 50%
copy from sdk/lib/_internal/pub/test/get/path/nonexistent_dir_test.dart
copy to sdk/lib/_internal/pub_generated/test/get/path/nonexistent_dir_test.dart
index 6a983c4cca3d4566d1dfbfdb62aa55614332f605..365b2be36814751bbbe3da6a63336f0853c49ae5 100644
--- a/sdk/lib/_internal/pub/test/get/path/nonexistent_dir_test.dart
+++ b/sdk/lib/_internal/pub_generated/test/get/path/nonexistent_dir_test.dart
@@ -1,28 +1,19 @@
-// 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 d.file.
-
 import 'package:path/path.dart' as path;
-
 import '../../../lib/src/exit_codes.dart' as exit_codes;
 import '../../descriptor.dart' as d;
 import '../../test_pub.dart';
-
 main() {
   initConfig();
   integration('path dependency to non-existent directory', () {
     var badPath = path.join(sandboxDir, "bad_path");
-
-    d.dir(appPath, [
-      d.appPubspec({
-        "foo": {"path": badPath}
-      })
-    ]).create();
-
+    d.dir(appPath, [d.appPubspec({
+        "foo": {
+          "path": badPath
+        }
+      })]).create();
     pubGet(error: """
         Could not find package foo at "$badPath".
         Depended on by:
-        - myapp 0.0.0""",
-        exitCode: exit_codes.UNAVAILABLE);
+        - myapp 0.0.0""", exitCode: exit_codes.UNAVAILABLE);
   });
-}
+}