Use the new test runner.

test/global/deactivate/removes_precompiled_snapshots_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 '../../descriptor.dart' as d;
 import '../../test_pub.dart';
 
 main() {
-  initConfig();
   integration('removes precompiled snapshots', () {
     servePackages((builder) => builder.serve("foo", "1.0.0"));
 
     schedulePub(args: ["global", "activate", "foo"]);
 
     schedulePub(args: ["global", "deactivate", "foo"],
         output: "Deactivated package foo 1.0.0.");
 
     d.dir(cachePath, [
       d.dir('global_packages', [d.nothing('foo')])
     ]).validate();
   });
 }