Use the new test runner.

test/validator/license_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.
 
 import 'package:path/path.dart' as path;
 import 'package:pub/src/entrypoint.dart';
 import 'package:pub/src/io.dart';
 import 'package:pub/src/validator.dart';
 import 'package:pub/src/validator/license.dart';
 import 'package:scheduled_test/scheduled_test.dart';
 
 import '../descriptor.dart' as d;
 import '../test_pub.dart';
 import 'utils.dart';
 
 Validator license(Entrypoint entrypoint) => new LicenseValidator(entrypoint);
 
 main() {
-  initConfig();
-
   group('should consider a package valid if it', () {
     setUp(d.validPackage.create);
 
     integration('looks normal', () => expectNoValidationError(license));
 
     integration('has a COPYING file', () {
       schedule(() => deleteEntry(path.join(sandboxDir, appPath, 'LICENSE')));
       d.file(path.join(appPath, 'COPYING'), '').create();
       expectNoValidationError(license);
     });
@@ skipping 11 matching lines @@
     });
   });
 
   integration('should consider a package invalid if it has no LICENSE file',
       () {
     d.validPackage.create();
     schedule(() => deleteEntry(path.join(sandboxDir, appPath, 'LICENSE')));
     expectValidationError(license);
   });
 }