Create a course. Enrol the admin as a student in the course. Go to the course calendar and add a few events (some course, some user, some whatever). Go to the home page and add the calendar block if it isn't there. Check the block displays correctly and the events are listed. Navigate between months Check that the months update both here and in the three-month view View a specific day by clicking the date on a day with an event Check that the events are listed properly Use the nav links to change days Check that the events are listed properly