[v8.x] Backport aix test fixes to v8.x
Checklist
-
make -j4 test
(UNIX), orvcbuild test
(Windows) passes -
commit message follows commit guidelines
refs: https://github.com/nodejs/node/pull/28600 refs: https://github.com/nodejs/node/pull/28516 refs: https://github.com/nodejs/node/pull/28469