In the workshop activity,

1. Setup the workshop activity to have example submission.
2. In the example submission select 'Examples must be assessed before own submission'.
3. Log in as a student.
4. Complete the example assessment. And click the 'Save and close' button.
5. You would land up on page excompare.php.
6. There is no way to go back to the view page.

This is a follow-up for MDL-71915.