Till it's clear why it has unexpected values.

Report from mailing list:

> Test name: SwLayoutWriter::testBtlrCell
> equality assertion failed
> - Expected: 2707
> - Actual  : 2710
> - In <>, attribute 'y' of '//textarray[1]' incorrect value.

Change-Id: Ic914f513df544dcf472b0870a3936f87d876c76b
Reviewed-on: https://gerrit.libreoffice.org/67856Reviewed-by: Miklos Vajna <vmiklos@collabora.com>
Tested-by: Jenkins