With newer Mojolicious versions t/v11parser.t fails:
"slurp" is not exported by the Mojo::Util module
Can't continue after import errors at t/v11parser.t line 5.
BEGIN failed--compilation aborted at t/v11parser.t line 5.
t/v11parser.t ....
Dubious, test returned 255 (wstat 65280, 0xff00)
No subtests run
With newer Mojolicious versions t/v11parser.t fails: