In a chat activity, students can have a real-time synchronous discussion

1. Login as student1 and access a chat activity.
2. Click to enter the chat and add a chat message containing an emoticon e.g. .
3. Login as student2 and access the chat activity.
4. Click to enter the chat and check that the message from student1 is displayed correctly.
5. Add a chat message containing a URL e.g. http://moodle.org.
6. Check that the message is displayed correctly with the URL converted into a link.
7. Add a chat message "/me laughs!"
8. Check that the message is displayed as "Sam laughs!" (where Sam is the name of the student).
9. Add a chat message "<em>Text in italics</em>".
10. Check that the message is displayed in italics.