Fails when the stub version always returned 0.

Change-Id: I2df952d0b7fc1a6171074e6da91584b851ace358
Reviewed-on: https://gerrit.libreoffice.org/42945Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk>