MDL-44337 behat grammer improvements, see MDL-43236
MDL-43236 behat: Include missing used namespace
Merge branch 'MDL-43236_master-fix-tablenode' of git://github.com/dmonllao/moodle
MDL-40913 core_message: fixed triggering the 'message_sent' event when the 'noreply' address is used
Merge branch 'MDL-40913_master-fix' of https://github.com/markn86/moodle
MDL-44334 lockscroll: Fix wrong warning message
MDL-44236 behat: Fixing wrong old step call
MDL-44534 also fix the mod_quiz behat tests.

They had duplicated code. I refactored.
MDL-43497 role: added missing string