Fixes "Random Config" tb run #289

Change-Id: Ib1d672ac0a68e977f8d32f87c730ff1b0822f32c
Reviewed-on: https://gerrit.libreoffice.org/35109Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Markus Mohrhard <markus.mohrhard@googlemail.com>