This test requires a course with a teacher and student enrolled. The student account must have a profile image uploaded to it.

1. Log in as a teacher; turn on the editing; click 'Add an activity or resource' and choose 'Quiz'.
2. Choose settings as you wish but in Appearance, ensure 'Show the user's picture' is set to 'Small image'.
3. Add one basic question (eg true/false) and save the quiz.
4. Log in as a student; access the quiz and click on the 'Attempt quiz now' button but do not answer the questions. Verify the student image displayed is a small thumbnail.
5. Log back in as the teacher; click on the Quiz and navigate back to Appearance>Show the user's picture.
6. Change the setting to 'Large image' and save.
7. Log in as a student; access the quiz and click on the 'Attempt quiz now' button but do not answer the questions. Verify the student image displayed is a larger version.
8. Log back in as the teacher; click on the Quiz and navigate back to Appearance>Show the user's picture.
9. Change the settings to 'No image' and save.
10. Log in as a student; access the quiz and click on the 'Attempt quiz now' button but do not answer the questions and verify there is no student image displayed.