Use the new test runner.

test/dart2js/ignores_entrypoint_in_dependency_test.dart

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS d.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.
 
 import '../descriptor.dart' as d;
 import '../test_pub.dart';
 import '../serve/utils.dart';
 
 main() {
-  initConfig();
   integration("ignores a Dart entrypoint in a dependency", () {
     d.dir("foo", [
       d.libPubspec("foo", "0.0.1"),
       d.dir("lib", [
         d.file("lib.dart", "main() => print('foo');")
       ])
     ]).create();
 
     d.dir(appPath, [
       d.appPubspec({
         "foo": {"path": "../foo"}
       })
     ]).create();
 
     pubServe(shouldGetFirst: true);
     requestShould404("web/packages/foo/lib.dart.js");
     endPubServe();
   });
 }