[8.2.x] unittest: fix class instances no longer released on test teardown since pytest 8.2.0#12370

bluetech merged 1 commit into8.2.xpytest-dev/pytest:8.2.xfrom

backport-12368-to-8.2.xpytest-dev/pytest:backport-12368-to-8.2.xCopy head branch name to clipboard