Add test for cache clearing after deletion
Add test for cache clearing after deletion

indirectlylit/kolibri,mrpau/kolibri,indirectlylit/kolibri,indirectlylit/kolibri,indirectlylit/kolibri,mrpau/kolibri,learningequality/kolibri,learningequality/kolibri,mrpau/kolibri,learningequality/kolibri,learningequality/kolibri,mrpau/kolibri