Import rasta tests.

pkg/fasta/test/rasta/deferred_load.dart

Index: pkg/fasta/test/rasta/deferred_load.dart
diff --git a/pkg/fasta/test/rasta/deferred_load.dart b/pkg/fasta/test/rasta/deferred_load.dart
new file mode 100644
index 0000000000000000000000000000000000000000..1ba7abd171bf6d0b0f44c7b09abe1da7fd057afe
--- /dev/null
+++ b/pkg/fasta/test/rasta/deferred_load.dart
@@ -0,0 +1,10 @@
+// Copyright (c) 2016, 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.md file.
+
+import 'deferred_lib.dart' deferred as lib;
+
+main() {
+  lib.loadLibrary;
+  lib.loadLibrary();
+}