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

sdk/lib/_internal/pub_generated/test/list_package_dirs/lists_dependency_directories_test.dart

Index: sdk/lib/_internal/pub_generated/test/list_package_dirs/lists_dependency_directories_test.dart
diff --git a/sdk/lib/_internal/pub_generated/test/list_package_dirs/lists_dependency_directories_test.dart b/sdk/lib/_internal/pub_generated/test/list_package_dirs/lists_dependency_directories_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..c9725c3443c13d54d5c10fb6c683682cf56656a6
--- /dev/null
+++ b/sdk/lib/_internal/pub_generated/test/list_package_dirs/lists_dependency_directories_test.dart
@@ -0,0 +1,50 @@
+// 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/io.dart';
+import '../descriptor.dart' as d;
+import '../test_pub.dart';
+
+main() {
+  initConfig();
+  integration('prints the local paths to all packages in the lockfile', () {
+    servePackages((builder) => builder.serve("bar", "1.0.0"));
+
+    d.dir("foo", [d.libDir("foo"), d.libPubspec("foo", "1.0.0")]).create();
+
+    d.dir(appPath, [d.appPubspec({
+        "foo": {
+          "path": path.join(sandboxDir, "foo")
+        },
+        "bar": "any"
+      })]).create();
+
+    pubGet();
+
+    // Note: Using canonicalize here because pub gets the path to the
+    // entrypoint package from the working directory, which has had symlinks
+    // resolve. On Mac, "/tmp" is actually a symlink to "/private/tmp", so we
+    // need to accomodate that.
+    schedulePub(args: ["list-package-dirs", "--format=json"], outputJson: {
+      "packages": {
+        "foo": path.join(sandboxDir, "foo", "lib"),
+        "bar": port.then(
+            (p) =>
+                path.join(
+                    sandboxDir,
+                    cachePath,
+                    "hosted",
+                    "localhost%58$p",
+                    "bar-1.0.0",
+                    "lib")),
+        "myapp": canonicalize(path.join(sandboxDir, appPath, "lib"))
+      },
+      "input_files": [
+          canonicalize(path.join(sandboxDir, appPath, "pubspec.lock")),
+          canonicalize(path.join(sandboxDir, appPath, "pubspec.yaml"))]
+    });
+  });
+}