make sure we follow the whole super chain

test/initializer_super_test.dart

 // 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.initializer_parts_test;
+library initialize.initializer_super_test;
 
 import 'package:initialize/src/initialize_tracker.dart';
 import 'package:initialize/initialize.dart';
 import 'package:unittest/unittest.dart';
 import 'package:unittest/compact_vm_config.dart';
 
-part 'parts/foo.dart';
-part 'parts/bar.dart';
-
 main() {
   useCompactVMConfiguration();
 
   // Run all initializers.
   run().then((_) {
-    test('parts', () {
-      var expectedNames = [
-        const LibraryIdentifier(#initialize.initializer_parts_test, null, 'initializer_parts_test.dart'),
-        bar2,
-        bar,
-        foo,
-        baz,
-        Bar2,
-        Bar,
-        Foo,
-        Baz,
-      ];
+    test('annotations are seen in post-order with superclasses first', () {
+      var expectedNames = [A, C, B, E, D,];
       expect(InitializeTracker.seen, expectedNames);
     });
   });
 }
 
 @initializeTracker
-class Baz {}
+class D extends E {}
 
 @initializeTracker
-baz() {}
+class E extends B {}
+
+@initializeTracker
+class B extends C {}
+
+@initializeTracker
+class C extends A {}
+
+@initializeTracker
+class A {}