... to avoid "GpgME not installed correctly" message boxes during
unit tests. See the mail list thread started with
https://lists.freedesktop.org/archives/libreoffice/2018-October/081209.html

Change-Id: Ie57e6b5a7281d8f20ba97912f3413eafaac9cfd4
Reviewed-on: https://gerrit.libreoffice.org/61903
Tested-by: Jenkins
Tested-by: Jan-Marek Glogowski <glogow@fbihome.de>
Reviewed-by: Thorsten Behrens <Thorsten.Behrens@CIB.de>