so that we get nice stack traces in our test error logs instead of just
the title of the exception

Change-Id: I47f30d80b9efbc7dbeff7f4456755e416e577b5a
Reviewed-on: https://gerrit.libreoffice.org/25510Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noelgrandin@gmail.com>