This seems to be a race condition that is not really related to the UI
testing. It should happen any time with out-of-process UNO.

Change-Id: I86e42fc6c3848c4522e6f4e5db72e92917e19286
Reviewed-on: https://gerrit.libreoffice.org/31995Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Markus Mohrhard <markus.mohrhard@googlemail.com>