This was the last unit test that was disabled on Windows due to missing
implementation.

Change-Id: Ia7d84f72bcdf79267c7de17cd8822ed02c378642
Reviewed-on: https://gerrit.libreoffice.org/31552Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk>
Tested-by: Jenkins <ci@libreoffice.org>