Git commits in Moodle 3.7.2 by Sara Arjona

commit 4afc6a5711cee3b9eaad1ea9474953def11b2244
Author: Sara Arjona <sara@moodle.com>
Date:   Mon, 15 Jul 2019 19:48:53 +0800
Tag:    v3.7.2

MDL-65538 competency: fix behat errors with firefox