readline,test: update references to archived repository
References to issues / PRs from the old repository (https://github.com/nodejs/node-v0.x-archive) are misleading without the full URL. Updated references within the test directory accordingly.
Checklist
-
make -j4 test
(UNIX), orvcbuild test
(Windows) passes -
commit message follows commit guidelines
Affected core subsystem(s)
readline, test