Add mirrors tests

test/codegen/lib/mirrors/unmangled_type_test.dart

Index: test/codegen/lib/mirrors/unmangled_type_test.dart
diff --git a/test/codegen/language/malbounded_type_literal_test.dart b/test/codegen/lib/mirrors/unmangled_type_test.dart
similarity index 61%
copy from test/codegen/language/malbounded_type_literal_test.dart
copy to test/codegen/lib/mirrors/unmangled_type_test.dart
index ca64d7efa8b66168b1bb82207f864ee87d467797..dbc6b62437908677c6fb6c1dab670b8d0dd7d2b6 100644
--- a/test/codegen/language/malbounded_type_literal_test.dart
+++ b/test/codegen/lib/mirrors/unmangled_type_test.dart
@@ -2,13 +2,14 @@
 // 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.
 
+import 'dart:mirrors';
+
 import 'package:expect/expect.dart';
 
-class Super<T extends num> {}
-class Malbounded extends Super<String> {}
+class Foo {
+}
 
 main() {
-  Type t = Malbounded;
-  Expect.isNotNull(t);
-  Expect.isTrue(t is Type);
+  Expect.stringEquals('Foo', '${new Foo().runtimeType}');
+  Expect.stringEquals('foo', MirrorSystem.getName(new Symbol('foo')));
 }