Use the new test runner.

test/global/activate/snapshots_git_executables_test.dart

 // Copyright (c) 2014, 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:scheduled_test/scheduled_test.dart';
 
 import '../../descriptor.dart' as d;
 import '../../test_pub.dart';
 
 main() {
-  initConfig();
   integration('snapshots the executables for a Git repo', () {
     ensureGit();
 
     d.git('foo.git', [
       d.libPubspec("foo", "1.0.0"),
       d.dir("bin", [
         d.file("hello.dart", "void main() => print('hello!');"),
         d.file("goodbye.dart", "void main() => print('goodbye!');"),
         d.file("shell.sh", "echo shell"),
         d.dir("subdir", [
@@ skipping 16 matching lines @@
             d.matcherFile('hello.dart.snapshot', contains('hello!')),
             d.matcherFile('goodbye.dart.snapshot', contains('goodbye!')),
             d.nothing('shell.sh.snapshot'),
             d.nothing('subdir')
           ])
         ])
       ])
     ]).validate();
   });
 }