Git commits in Moodle 3.5.5 by Marcus Boon

commit c1aa2c28c2e726d4aa0f84943147c0a30c0e294a
Author: Marcus Boon <marcus@catalyst-au.net>
Date:   Wed, 16 Jan 2019 13:49:26 +0800
Tag:    v3.5.5

MDL-64599 phpunit: Fix typo in arraydataset