*** System report during websockets_SUITE:chat_msg/1 in wss_chat 2023-11-14 11:56:20.363 ***
=ERROR REPORT==== 14-Nov-2023::11:56:20.363117 ===
** State machine <0.82050.0> terminating
** Last event = {cast,{ws_send,<0.82049.0>,
                               #Ref<0.3885274375.2888564739.62333>,close}}
** When server state  = {connected,
                         {state,<0.82049.0>,
                          {up,#Ref<0.3885274375.2888564739.62299>},
                          "localhost",5285,<<"https">>,"localhost",5285,[],
                          #{protocols => [http],
                            transport => tls,
                            tls_opts => [{verify,verify_none}]},
                          undefined,
                          {sslsocket,
                           {gen_tcp,#Port<0.9778>,tls_connection,undefined},
                           [<0.82076.0>,<0.82075.0>]},
                          gun_tls,true,
                          {ssl,ssl_closed,ssl_error},
                          gun_http,
                          {http_state,
                           {sslsocket,
                            {gen_tcp,#Port<0.9778>,tls_connection,undefined},
                            [<0.82076.0>,<0.82075.0>]},
                           gun_tls,#{},'HTTP/1.1',keepalive,<<>>,undefined,[],
                           head,
                           {0,0},
                           head},
                          undefined,gun_default_event_h,undefined}}
** Reason for termination = error:{'function not exported',
                                      {gun_http,ws_send,6}}
** Callback modules = [gun]
** Callback mode = state_functions
** Stacktrace =
**  [{gun,connected,3,
          [{file,"/home/circleci/project/big_tests/_build/default/lib/gun/src/gun.erl"},
           {line,1301}]},
     {gen_statem,loop_state_callback,11,[{file,"gen_statem.erl"},{line,1377}]},
     {proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,241}]}]