anchor.diff:  }
   
   main() {
  +  print("asyncStart main");
     asyncStart();
     InternetAddress.lookup("localhost").then((hosts) {
       HOST = hosts.first;
       runTests();
  +    print("asyncEnd main");
       asyncEnd();
     });
   }
  
positive.code: }
  
  testPausedSecuringSubscription(bool pausedServer, bool pausedClient) {
    asyncStart();
    var clientComplete = new Completer();
    RawServerSocket.bind(HOST, 0).then((server) {
  
negative.code:   ..setTrustedCertificates(localFile('certificates/trusted_certs.pem'));
  
  void testSimpleBind() {
    print("asyncStart testSimpleBind");
    asyncStart();
    RawSecureServerSocket.bind(HOST, 0, serverContext).then((s) {
      Expect.isTrue(s.port > 0);
      s.close();
      print("asyncEnd testSimpleBind");
      asyncEnd();
    });
  }
  