Merge branch 'gs/test-unset-xdg-cache-home'

Test update. * gs/test-unset-xdg-cache-home: test-lib.sh: unset XDG_CACHE_HOME

Junio C Hamano committed Feb 28, 2018 at 13:37 UTC ba5f3fc4678fa772c4fec708cba17a6c9fcb489c

No changes.