add test for LibraryIdentifier within a subfolder

test/bar.dart

Index: test/bar.dart
diff --git a/test/bar.dart b/test/bar.dart
deleted file mode 100644
index dd83a8fc682408478db704b9c6a9edba9de22647..0000000000000000000000000000000000000000
--- a/test/bar.dart
+++ /dev/null
@@ -1,15 +0,0 @@
-// Copyright (c) 2015, 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 file.
-@initializeTracker
-library initialize.test.bar;
-
-import 'foo.dart';
-import 'package:initialize/src/initialize_tracker.dart';
-
-// Foo should be initialized first.
-@initializeTracker
-class Bar extends Foo {}
-
-@initializeTracker
-bar() {}