Use the new test runner.

test/transformer/cache_test.dart

 // Copyright (c) 2014, 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.
 
 library pub_tests;
 
 import 'package:scheduled_test/scheduled_stream.dart';
 import 'package:scheduled_test/scheduled_test.dart';
 
 import '../descriptor.dart' as d;
@@ skipping 58 matching lines @@
     }),
     d.dir("bin", [
       d.file("myapp.dart", "main() => print('Hello!');")
     ])
   ]).create();
 
   pubGet();
 }
 
 main() {
-  initConfig();
-
   integration("caches a transformer snapshot", () {
     setUp();
 
     var process = pubRun(args: ['myapp']);
     process.stdout.expect("Goodbye!");
     process.shouldExit();
 
     d.dir(appPath, [
       d.dir(".pub/transformers", [
         d.file("manifest.txt", "0.1.2+3\nfoo"),
@@ skipping 248 matching lines @@
   Future apply(Transform transform) {
     return transform.primaryInput.readAsString().then((contents) {
       transform.addOutput(new Asset.fromString(
           transform.primaryInput.id,
           contents.replaceAll("$input", "$output")));
     });
   }
 }
 """;
 }