anchor.diff:      new _Option.int(
           'test_driver_error_port', 'Port for http test driver server errors.',
           defaultsTo: 0, hide: true),
  -    new _Option('test_list', 'File containing a list of tests to be executed'),
  +    new _Option('test_list', 'File containing a list of tests to be executed',
  +        hide: true),
  +    new _Option('tests', 'A newline separated list of tests to be executed'),
       new _Option(
           'builder_tag',
           '''Machine specific options that is not captured by the regular test
  
positive.code:     }
  
      // Fetch list of tests to run, if option is present.
      if (configuration['test_list'] is String) {
        configuration['test_list_contents'] =
            File(configuration['test_list'] as String).readAsLinesSync();
      }
  
      return _createConfigurations(configuration);
  
negative.code: // BSD-style license that can be found in the LICENSE file.
  
  import 'dart:io';
  import 'dart:convert';
  
  import 'package:smith/smith.dart';
  
  