This test requires Ghostscript to be installed on the server hence cannot be tested on the QA site.
It also requires a course with a student and a teacher enrolled and an assignment activity.

1. Log in as a student and upload a PDF as submission to the assignment.
2. Log in as a teacher, go to the assignment and press "Grade"
3. On the grading page you should see the annotate pdf tool on the left side
4. Try all the different options in the editor and check that the outcome is the expected one
5. Click the Rotate left and Rotate right buttons (next to the Expand button) and ensure they correctly rotate the PDF.
6. When you are done, set a grade for the student and click the 'Save changes' button.
7. Switch to another user using the top "Change user" selector (the annotate pdf should be cleared) and switch back to the annotated one (the previous annotated pdf should be restored)
8. As student click "View annotated PDF" in the assignment page and check that the feedback PDF has been generated and that all edits are saved correctly.
9. View the feedback PDF and check that all feedback is displayed correctly.
10. Repeat steps 2 to 5 in a different browser, adding a comment to this issue mentioning which browsers you have used.