Import rasta tests.

pkg/fasta/test/rasta/enum.dart

Index: pkg/fasta/test/rasta/enum.dart
diff --git a/pkg/fasta/test/rasta/enum.dart b/pkg/fasta/test/rasta/enum.dart
new file mode 100644
index 0000000000000000000000000000000000000000..9d1110cca5e0ad2fde01a260fb459218904e6f20
--- /dev/null
+++ b/pkg/fasta/test/rasta/enum.dart
@@ -0,0 +1,8 @@
+// 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.
+
+enum Foo {
+  ec1,
+  ec2,
+}