Parsing unit test checks that the xml values are parsed correctly
and that the DriverInfo structure is populated with the expected
values.

Evaluate unit test checks that blacklisting / whitelisting
logic blocks OS/vendor/driver/device as expected.

Change-Id: Ib1b0926606f0835207c324193bbe19ba83f86bdc
Reviewed-on: https://gerrit.libreoffice.org/22371Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Michael Meeks <michael.meeks@collabora.com>