CLONE - A teacher can allow students to navigate back through a lesson activity

This test requires a lesson activity containing more than one question.

1. Login as a teacher, update a lesson activity and set 'Allow student review' to Yes and 'Maximum number of attempts' to a value greater than 1.
2. Login as a student and attempt the activity.
3. Click the 'Review lesson' button at the end of the activity.
4. Attempt the activity again, answering more questions correctly.
5. At the end of the activity, check that the score is correctly displayed.