This test requires and assignment with Online Text enabled.
This test must be tested with the new 2.3 Assignment plugin ONLY.
1. Login as a student and access the assignment.
2. Click the 'Add submission' button, add some text, then click the 'Save changes' button.
3. Click the 'Edit my submission' button again, edit the text, then click the 'Save changes' button.
4. Check that the changes have been saved and the latest submission date and time is displayed.
5. Check that the submission date and time is also displayed on the assignment index page.