Breakage due to recent IO buffering change (missing .close?)

[AlexDaniel]

Most tests of this module are currently broken on HEAD. See https://gist.github.com/cf4c6ee5ff9ad253af1c69d46d67e65f (only t/02-capture.t shown).

Bisectable points to rakudo/rakudo@4b02b8a

Lumberjack and Lumberjack::Dispatcher::Syslog depend on this module and therefore are shown as burnt in the toaster.

See also RT #132030.

Sister tickets:

• Breakage due to recent IO buffering change (missing .close?) azawawi/raku-ncurses#16
• Breakage due to recent IO buffering change (missing .close?) css-raku/CSS-Specification-raku#2

[jjatria]

IO::MiddleMan tests pass currently on 2021.10 at least. And considering what was said in azawawi/raku-ncurses#16 (comment), I'd say this can be closed and #6 is not needed.