Git commits in Moodle 3.7.4 by John Beedell

commit 54eb7cecbb5ac13a4586eeb7305c985e5a4fc81a
Author: John Beedell <john.beedell@open.ac.uk>
Date:   Tue, 26 Nov 2019 00:13:15 +0800
Tag:    v3.7.4

MDL-67339 behat: Enhance Behat exception message