Add missing unittest setup calls · metabrainz/picard@5f54115

A brownout will take place on November 11, 14:00 UTC - November 12, 00:00 UTC to raise awareness of the upcoming macOS-12 environment removal. For more details, see https://github.com/actions/runner-images/issues/10721

gettext 0.22.5 is already installed and up-to-date. To reinstall 0.22.5, run: brew reinstall gettext

Already linked: /usr/local/Cellar/gettext/0.22.5