Use the new test runner.

test/serve/supports_user_defined_declaring_transformers_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 '../descriptor.dart' as d;
 import '../test_pub.dart';
 import 'utils.dart';
 
@@ skipping 17 matching lines @@
   }
 
   Future declareOutputs(DeclaringTransform transform) {
     transform.declareOutput(transform.primaryId.changeExtension(".final"));
     return new Future.value();
   }
 }
 """;
 
 main() {
-  initConfig();
   withBarbackVersions("any", () {
     integration("supports a user-defined declaring transformer", () {
       d.dir(appPath, [
         d.pubspec({
           "name": "myapp",
           "transformers": ["myapp/src/lazy", "myapp/src/declaring"]
         }),
         d.dir("lib", [d.dir("src", [
           // Include a lazy transformer before the declaring transformer,
           // because otherwise its behavior is indistinguishable from a normal
@@ skipping 15 matching lines @@
       requestShouldSucceed("foo.final", "foo.out.final");
       server.stdout.expect(emitsLines(
           '[Info from LazyRewrite]:\n'
           'Rewriting myapp|web/foo.txt.\n'
           '[Info from DeclaringRewrite]:\n'
           'Rewriting myapp|web/foo.out.'));
       endPubServe();
     });
   });
 }