... for the PythonTest, similar to what vclbootstrapprotector does for
CppunitTest; actually no idea if this is a good idea or a bad idea.

Change-Id: Ia4e2e50fdc9c8deb9faf580a2f3f3308533265eb
Reviewed-on: https://gerrit.libreoffice.org/17540Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Michael Stahl <mstahl@redhat.com>