Use the new test runner.

test/deps_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:scheduled_test/scheduled_test.dart';
 
 import 'descriptor.dart' as d;
 import 'test_pub.dart';
 
 main() {
-  initConfig();
-
   setUp(() {
     servePackages((builder) {
       builder.serve("normal", "1.2.3", deps: {
         "transitive": "any",
         "circular_a": "any"
       });
       builder.serve("transitive", "1.2.3", deps: {"shared": "any"});
       builder.serve("shared", "1.2.3", deps: {"other": "any"});
       builder.serve("unittest", "1.2.3", deps: {"shared": "any"});
       builder.serve("other", "1.0.0");
@@ skipping 99 matching lines @@
         |   '-- transitive 1.2.3
         |       '-- shared...
         |-- overridden 2.0.0
         |-- override_only 1.2.3
         '-- unittest 1.2.3
             '-- shared 1.2.3
                 '-- other 1.0.0
         ''');
   });
 }