Developer credits
Git commits in Moodle 3.3.0 by Kenneth Hendricks
commit c213a306702216cf59f801420330bf2c56ba0341 Author: Kenneth Hendricks <kennethhendricks@catalyst-au.net> Date: Wed, 02 Nov 2016 10:15:07 +0800 Tag: v3.3.0-beta MDL-56674 core: Fix test_get_all_observers