Change category for a question in bank affects quizzes using random questions

Test scenario:

1. Standup a site using the code base.
2. Login to the site as a site admin.
3. Navigate to the question bank of that course.
4. Select Category from the secondary navigation menu.
5. Create two categories in question bank.
6. Select Question in the secondary navigation menu.
7. In each new category, create 2 questions (right/false, multiple choice...).
8. Navigate to back to the course.
9. Create a quiz in the same course.
10. Navigate to the created quiz.
11. Navigate to the question bank of that quiz.
12. In quiz, add two random questions : first from a category, second from the other category.
13. Navigate to question bank, and move a question from its category to the other one using bulk actions menu in the bottom.
14. Navigate to the quiz > questions
15. Confirm
    1. That all random questions now point to the same category.