Testing file checks/bad-option.fish ... Failure in checks/bad-option.fish:

  The CHECKERR on line 2 wants:
    {{.*fish}}: {{unrecognized option: Z|invalid option -- '?Z'?|unknown option -- Z}}

  which failed to match line stderr:1:
    ../test/root/bin/fish: illegal option -- Z

  when running command:
    ../test/root/bin/fish -Z