fix #27532, implementing a native type with fields

pkg/dev_compiler/tool/run.js

 // 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 file.
 
 var args = process.argv.slice(2);
 if (args.length != 1) {
   throw new Error("Usage: node test/run.js <test-module-name>");
 }
 var test = args[0];
 
 var requirejs = require('requirejs');
-var ddcdir = __dirname + '/..';
+var ddcdir = __dirname + '/../';
 requirejs.config({
-  baseUrl: ddcdir + '/gen/codegen_output',
+  baseUrl: ddcdir + 'gen/codegen_output',
   paths: {
-    dart_sdk: ddcdir + '/lib/js/amd/dart_sdk'
+    dart_sdk: ddcdir + 'lib/js/amd/dart_sdk',
+    async_helper: ddcdir + 'gen/codegen_output/pkg/async_helper',
+    expect: ddcdir + 'gen/codegen_output/pkg/expect',
+    js: ddcdir + 'gen/codegen_output/pkg/js',
+    matcher: ddcdir + 'gen/codegen_output/pkg/matcher',
+    minitest: ddcdir + 'gen/codegen_output/pkg/minitest',
+    path: ddcdir + 'gen/codegen_output/pkg/path',
+    stack_trace: ddcdir + 'gen/codegen_output/pkg/stack_trace',
+    unittest: ddcdir + 'gen/codegen_output/pkg/unittest',
   }
 });
 
 // TODO(vsm): Factor out test framework code in test/browser/language_tests.js
 // and use here.  Async tests and unittests won't work without it.
 
 var module = requirejs(test);
 test = test.split('/').slice(-1)[0];
 module[test].main();