This is using the test document from tdf119234-3.odt. When importing and exporting to DOCX, we generate an invalid entry in docprops/custom.xml because we dont know how to handle a DateTimeWithTimezone value.. Change-Id: I79981f8a09db432730a9b0c1cf186305b0055923 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/193400 Tested-by: Jenkins CollaboraOffice <jenkinscollaboraoffice@gmail.com> Reviewed-by: Michael Stahl <michael.stahl@collabora.com> (cherry picked from commit 97cf170c20c7ff1e1b3820a769cd3167a57d0c46) Reviewed-on: https://gerrit.libreoffice.org/c/core/+/193600 Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk> Tested-by: Jenkins