QA test to be automated: MDLQA-7653

Testing instructions

1. Create a lesson with Grade Type setting set to "None in the "Grade" section of the form
2. Add some question pages to the lesson
3. Attempt the lesson as a student and verify there is no mention of grade and you don't see a display like "Your grade is 0.0 / 0.0" on the final page. (It's OK to see "Your score is X out of Y".)
4. Create a lesson with grade type points and maximum grade 100
5. Add a/some question pages to the lesson
6. Attempt the lesson as a student and verify you can see a 'view the grades' link and you can click on it