This test requires a course in which at least two groups are set up.

Tip: A calendar URL for use in this test may be obtained from https://moodle.org/calendar/export.php

1. Log in as a teacher and go to the calendar.
2. Click the link 'Import or export calendars'.
3. Try importing a calendar by filling in a name e.g. 'Course calendar', calendar URL, selecting 'Course events' and filling in the course field, then clicking the 'Import calendar' button.
4. Go to your calendar and check that appropriate course events have been added.
5. Go to the 'Import or export calendars' page again and click the 'Delete' link opposite 'Course calendar'.
6. Go to your calendar again and check that the events have been removed.
7. Try importing another calendar by filling in a name e.g. 'Group calendar', calendar URL, select 'Group events', fill in the course and group fields and then click the 'Import calendar' button.
8. Go to your calendar and check that appropriate group events have been added.