anchor.diff:  // 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 'dart:io';
  +
   import 'package:path/path.dart' as p;
   import 'package:scheduled_test/scheduled_process.dart';
  +import 'package:scheduled_test/scheduled_test.dart';
   
   import '../../descriptor.dart' as d;
   import '../../test_pub.dart';
  
positive.code: 
      var process = new ScheduledProcess.start(
          p.join(sandboxDir, cachePath, "bin/foo-script"), ["arg1", "arg2"],
          environment: getPubTestEnvironment());
  
      process.stdout.expect("ok [arg1, arg2]");
      process.shouldExit();
    });
  }
  
negative.code:     schedulePub(args: ["global", "activate", "foo"]);
  
      var process = new ScheduledProcess.start(
          p.join(sandboxDir, cachePath, "bin/foo-script"), ["arg1", "arg2"],
          environment: getEnvironment());
  
      process.stdout.expect("ok [arg1, arg2]");
      process.shouldExit();
  