Use the new test runner.

test/build/copies_browser_js_next_to_entrypoints_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.
 
+// Dart2js can take a long time to compile dart code, so we increase the timeout
+// to cope with that.
+@Timeout.factor(3)
+
 import 'package:scheduled_test/scheduled_test.dart';
 
 import '../descriptor.dart' as d;
 import '../test_pub.dart';
 import 'utils.dart';
 
 main() {
-  initConfig();
-
   integration("compiles dart.js and interop.js next to entrypoints", () {
-    // 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.appPubspec({"browser": "1.0.0"}),
       d.dir('foo', [
         d.file('file.dart', 'void main() => print("hello");'),
         d.dir('subdir', [
           d.file('subfile.dart', 'void main() => print("subhello");')
         ])
       ]),
@@ skipping 37 matching lines @@
               d.file('dart.js', 'contents of dart.js'),
               d.file('interop.js', 'contents of interop.js')
             ])]),
             d.matcherFile('subfile.dart.js', isNot(isEmpty))
           ])
         ])
       ])
     ]).validate();
   });
 }