Import rasta tests.

pkg/fasta/test/rasta/issue_000043.dart

Index: pkg/fasta/test/rasta/issue_000043.dart
diff --git a/pkg/fasta/test/rasta/issue_000043.dart b/pkg/fasta/test/rasta/issue_000043.dart
new file mode 100644
index 0000000000000000000000000000000000000000..4aed858dec9877a1be50ac3b43da6070c0aefd14
--- /dev/null
+++ b/pkg/fasta/test/rasta/issue_000043.dart
@@ -0,0 +1,7 @@
+// 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.
+
+class C {
+  get x => '$C'.hashCode;
+}