1. Login as a student and access a chat activity.
2. Follow the 'Use more accessible interface' link.
3. Try submitting a few messages.
4. Check that the messages are displayed correctly below the message submit button.
5. Check the 'Show only new' box then try submitting a few messages.
6. Check that only the most recent message is displayed.
- will be (partly) resolved by
MDL-23374 Chat does not display conversaiton for any user