CLONE - A teacher can reset H5P activity grading

This is an exploratory test of a new feature or improvement, so please feel free to try anything you like and not just the test steps!

Some H5P files attached to help with the testing.

1. As a teacher go to a course and click on 'Turn editing on'.
2. Create an H5P activity by 'Add an activity or resource' link, and selecting 'H5P' activity.
3. Fill required 'Name' field and upload a .h5p file to 'Package file' (some .h5p files attached for testing.
4. Set Grade - Type to 'Point' and 'Maximum grade' to 10.
5. 'Save and return to course'
6. Go to the course grades, click on "Turn editing on" button to enable quick grading, and edit:
   1. Student 1: H5P activity "7"
   2. Student 2: H5P activity  "5"
   3. Student 3: H5P activity "0"
7. Save changes
8. Confirm there is no error and values are stored.
9. Go to the course home page.
10. Reset the course.
11. Check 'Delete all grades' in the 'Gradebook' section.
12. Click on the "Reset course" button to perform the reset
13. Confirm there is no error. 
14. Go to course grades and confirm student grades are empty.