Use chai in heartbeat spec
Use chai in heartbeat spec

mrpau/kolibri,lyw07/kolibri,lyw07/kolibri,mrpau/kolibri,mrpau/kolibri,learningequality/kolibri,learningequality/kolibri,jonboiser/kolibri,benjaoming/kolibri,indirectlylit/kolibri,lyw07/kolibri,indirectlylit/kolibri,benjaoming/kolibri,lyw07/kolibri,mrpau/kolibri,jonboiser/kolibri,DXCanas/kolibri,indirectlylit/kolibri,DXCanas/kolibri,learningequality/kolibri,DXCanas/kolibri,DXCanas/kolibri,learningequality/kolibri,benjaoming/kolibri,jonboiser/kolibri,jonboiser/kolibri,indirectlylit/kolibri,benjaoming/kolibri