[knc1]

See what that option buys us:

diag>?
get_input_from_stdin Received [?]
diag>   MUSCAT_WFO - System Diags -  74
   ~~~~  1.1.30.291999  ~~~~ 
     pcbId:0670309164410CQB
(DS INFO)-Device Setting     
(TOUCH PLATE)-Touch Plate Test     
(OTS)-Operator test suite  
(o)-Misc individual diagnostics     
(WIFI NART)-nART factory test     
(USB EXPORT)-USB device mode     
(o)-Reboot or Disable Diags     
(POWER SUSPEND)-Lock screen     
(X)-Exit
     

exit
get_input_from_stdin Received [EXIT]
diag>   EXIT : command not found
        Usage: 
        EXIT DISABLE
        EXIT FASTBOOT
        EXIT LOGIN
        EXIT REBOOT
        EXIT WEB
exit web
get_input_from_stdin Received [EXIT WEB]
diag>sh: /usr/local/bin/mongoose: not found
ls: /var/local/log/messages_*.gz: No such file or directory
EXIT WEB: RESULT <PASS>

OK, so we are missing some pieces to get that working:
https://en.wikipedia.org/wiki/Mongoose_(web_server)