anchor.diff:      print(output_words.join(' '));
     }
   
  -  var runningBrowserTests = configurations.any((config) {
  -    return TestUtils.isBrowserRuntime(config['runtime']);
  -  });
  -
     var testSuites = new List<TestSuite>();
     for (var conf in configurations) {
  -    if (!listTests && runningBrowserTests) {
  -      // Start global http servers that serve the entire dart repo.
  -      // The http server is available on window.location.port, and a second
  -      // server for cross-domain tests can be found by calling
  -      // getCrossOriginPortNumber().
  -      var servers = new TestingServers(new Path(TestUtils.buildDir(conf)),
  -                                       useContentSecurityPolicy);
  -      servers.startServers('127.0.0.1');
  -      conf['_servers_'] = servers;
  -    }
  -
       if (selectors.containsKey('co19')) {
         testSuites.add(new Co19TestSuite(conf));
       }
  
positive.code:   }
  
    void allTestsFinished() {
      for (var conf in configurations) {
        if (conf.containsKey('_servers_')) {
          conf['_servers_'].stopServers();
        }
      }
      DebugLogger.close();
    }
  
  
negative.code:   var verbose = firstConf['verbose'];
    var printTiming = firstConf['time'];
    var listTests = firstConf['list'];
  
    if (!firstConf['append_logs'])  {
      var file = new File(TestUtils.flakyFileName());
  