Create several cohorts (not necessary to have members in them) Create course, go to enrolment methods page Add a cohort enrolment method, press "Add method and create new", add another, press "Add method". Make sure workflow is working, methods are added Edit a cohort enrolment method, make sure the new button does not appear and editing works as expected Pick any other enrolment method, add an instance Make sure you are taken back to the enrolment methods page