tests: also run TEST-01-BASIC in an unprivileged container (#9957)
This should make it much easier to catch regressions like
https://github.com/systemd/systemd/issues/9914 and
https://github.com/systemd/systemd/issues/8535.
(cherry picked from commit 746fbd9c34af5ed8b6d9aa7a9cbd7cac63a3afce)
patch_name: 0104-tests-also-run-TEST-01-BASIC-in-an-unprivileged-cont.patch
present_in_specfile: true
location_in_specfile: 104
squash_commits: true