Update pytest from 3.5.1 to 3.6.0
Update pytest from 3.5.1 to 3.6.0
DXCanas/kolibri,indirectlylit/kolibri,learningequality/kolibri,learningequality/kolibri,mrpau/kolibri,lyw07/kolibri,DXCanas/kolibri,mrpau/kolibri,DXCanas/kolibri,lyw07/kolibri,lyw07/kolibri,learningequality/kolibri,DXCanas/kolibri,indirectlylit/kolibri,learningequality/kolibri,lyw07/kolibri,indirectlylit/kolibri,mrpau/kolibri,indirectlylit/kolibri,mrpau/kolibri