Use the new test runner.

test/barback/all_includes_all_default_directories_test.dart

 // Copyright (c) 2014, 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.
 
 import 'package:scheduled_test/scheduled_test.dart';
 
 import '../descriptor.dart' as d;
 import '../serve/utils.dart';
 import '../test_pub.dart';
 
 main() {
-  initConfig();
-
   setUp(() {
     d.dir(appPath, [
       d.appPubspec(),
       d.dir('benchmark', [d.file('file.txt', 'benchmark')]),
       d.dir('bin',       [d.file('file.txt', 'bin')]),
       d.dir('example',   [d.file('file.txt', 'example')]),
       d.dir('test',      [d.file('file.txt', 'test')]),
       d.dir('web',       [d.file('file.txt', 'web')]),
       d.dir('unknown',   [d.file('file.txt', 'unknown')])
     ]).create();
@@ skipping 33 matching lines @@
     requestShouldSucceed("file.txt", "bin", root: "bin");
     requestShouldSucceed("file.txt", "example", root: "example");
     requestShouldSucceed("file.txt", "test", root: "test");
     requestShouldSucceed("file.txt", "web", root: "web");
 
     expectNotServed("unknown");
 
     endPubServe();
   });
 }