Git commits in Moodle 3.5.12 by Andrew Nicols

commit e133eec60b13c288d3c438350f8ccaf66d88b1d9
Author: Andrew Nicols <andrew@nicols.co.uk>
Date:   Fri, 06 Mar 2020 12:28:56 +0800
Tag:    v3.5.12

MDL-67827 behat: Add missing exception use


commit 5169acea00610fc136abe254e7aa26aa61ecf298
Author: Andrew Nicols <andrew@nicols.co.uk>
Date:   Fri, 06 Mar 2020 12:27:51 +0800
Tag:    v3.5.12

MDL-67827 behat: Pending JS improvements for dialogues