Seems I accidentally added two copies of the same test-name in
6661c59981 ("pan/ci: add some more flakes"), with the former one
missing the last character. This didn't cause any harm, because this
doesn't match any tests. But let's clean it up.
Acked-by: Daniel Stone <daniels@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/41020>