Use the new test runner.

test/build/copies_browser_js_with_dependency_override_test.dart

 // Copyright (c) 2013, 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.
 

[Bob Nystrom, 2015/06/26 23:04:10]

@Timeout.factor()?

 import 'package:scheduled_test/scheduled_test.dart';
 
 import '../descriptor.dart' as d;
 import '../test_pub.dart';
 import 'utils.dart';
 
 main() {
   // This is a regression test for http://dartbug.com/16617.
 
-  initConfig();
-
   integration("compiles dart.js and interop.js next to entrypoints when "
       "browser is a dependency_override", () {
-    // Dart2js can take a long time to compile dart code, so we increase the
-    // timeout to cope with that.
-    currentSchedule.timeout *= 3;
-
     serveBrowserPackage();
 
     d.dir(appPath, [
       d.pubspec({
         "name": "myapp",
         "dependency_overrides": {
           "browser": "any"
         }
       }),
       d.dir('web', [
@@ skipping 11 matching lines @@
         d.dir('web', [
           d.dir('packages', [d.dir('browser', [
             d.file('dart.js', 'contents of dart.js'),
             d.file('interop.js', 'contents of interop.js')
           ])])
         ])
       ])
     ]).validate();
   });
 }