anchor.diff:    }
   
     void allTestsFinished() {
  -    for (var conf in configurations) {
  -      if (conf.containsKey('_servers_')) {
  -        conf['_servers_'].stopServers();
  -      }
  -    }
       DebugLogger.close();
     }
   
  
positive.code:     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));
      }
  
negative.code:   var verbose = firstConf['verbose'];
    var printTiming = firstConf['time'];
    var listTests = firstConf['list'];
  
    if (!firstConf['append_logs'])  {
      var file = new File(TestUtils.flakyFileName());
  