Looking at the failures reported by Koschei after last rubygem-minitest rebase,
Speaking of Minitest, I think this is the culprit:
https://github.com/minitest/minitest/commit/a2c6c18570f6f0a1bf6af70fe3b6d9599a13fdd6
IOW the many broken gems could temporary either:
1. set `MT_COMPAT` env variable
2. explicitly require "minitest/unit"
Other issue is old Mocha:
https://github.com/minitest/minitest/issues/960
Which I am trying to update, but the `MiniTest` constant pops-up on other places, e.g. in fog-libvirt:
Vít