/*helper method for creating a advanced config*/
 private void advancedConfigAllowExec(InstanceSite is, SshdContainer sshd) {
   AdvancedConfig ac = is.addAdvancedConfig();
   {
     ac.port.set(sshd.port(22));
     ac.timeout.set(timeout);
   }
 }
  /*helper method for creating a advanced config no exec*/
  private void advancedConfigNoExec(InstanceSite is, SshdContainer sshd) {
    AdvancedConfig ac = is.addAdvancedConfig();
    {
      ac.port.set(sshd.port(22));
      ac.timeout.set(timeout);

      // for disabling exec per instance
      ac.disableAllExecInstance.check();
    }
  }