entire module was not covered by unittests and there was no way
to test some of the latest fixes done there, like f4a5893ece.
Now it is possible and a test for
https://gerrit.libreoffice.org/c/core/+/104619 was added
Removed remains of older unused tests.
Change-Id: Ide7bc3704efa1bb4bc62ed71bf4dd8b1ad4e800f
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/112569
Tested-by: Thorsten Behrens <thorsten.behrens@allotropia.de>
Reviewed-by: Thorsten Behrens <thorsten.behrens@allotropia.de>