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

sdk/lib/_internal/pub_generated/test/get/hosted/get_transitive_test.dart

Index: sdk/lib/_internal/pub_generated/test/get/hosted/get_transitive_test.dart
diff --git a/sdk/lib/_internal/pub_generated/test/get/hosted/get_transitive_test.dart b/sdk/lib/_internal/pub_generated/test/get/hosted/get_transitive_test.dart
deleted file mode 100644
index ad984b5c19a011baea93a59dbbacec78d338254c..0000000000000000000000000000000000000000
--- a/sdk/lib/_internal/pub_generated/test/get/hosted/get_transitive_test.dart
+++ /dev/null
@@ -1,37 +0,0 @@
-// Copyright (c) 2012, 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.
-
-library pub_tests;
-
-import '../../descriptor.dart' as d;
-import '../../test_pub.dart';
-
-main() {
-  initConfig();
-  integration('gets packages transitively from a pub server', () {
-    servePackages((builder) {
-      builder.serve("foo", "1.2.3", deps: {
-        "bar": "2.0.4"
-      });
-      builder.serve("bar", "2.0.3");
-      builder.serve("bar", "2.0.4");
-      builder.serve("bar", "2.0.5");
-    });
-
-    d.appDir({
-      "foo": "1.2.3"
-    }).create();
-
-    pubGet();
-
-    d.cacheDir({
-      "foo": "1.2.3",
-      "bar": "2.0.4"
-    }).validate();
-    d.packagesDir({
-      "foo": "1.2.3",
-      "bar": "2.0.4"
-    }).validate();
-  });
-}