anchor.diff:  					{mfa, {ssl_test_lib, send_recv_result_active, []}},
   					{options, ClientOpts}]),
   
  -    ssl_test_lib:check_result(Server,
  -                              {error,
  -                               {tls_alert,
  -                                {certificate_required,
  -                                 "received SERVER ALERT: Fatal - Certificate required - certificate_required"}}}),
  +    ssl_test_lib:check_server_alert(Server, certificate_required),
       ssl_test_lib:close(Server),
       ssl_test_lib:close_port(Client).
   
  
positive.code: 
      Client = ssl_test_lib:start_basic_client(openssl, 'tlsv1.3', Port, ClientOpts),
  
      ssl_test_lib:check_result(Server,
                                {error,
                                 {tls_alert,
                                  {certificate_required,
                                   "received SERVER ALERT: Fatal - Certificate required - certificate_required"}}}),
      ssl_test_lib:close(Server),
      ssl_test_lib:close_port(Client).
  
  
negative.code: 
      Client = ssl_test_lib:start_basic_client(openssl, 'tlsv1.3', Port, ClientOpts),
  
      ssl_test_lib:check_server_alert(Server, certificate_required),
      ssl_test_lib:close(Server),
      ssl_test_lib:close_port(Client).
  
  