Quiz Module and resource/activity Accessibility issues with heading levels

You can use Wave (the Structure tab) or the Firefox Document Outline to verify that the headers are in a relevant order. You can test with a screen reader too, because some of the headers are in acesshide.

1. Create a Quiz with sections
2. Start the Quiz
   1. On every page, there's only one H1
3. In a Quiz page :
   1. The Quiz name is now a H2 header
   2. The navigation bloc header is now a H2
   3. The sections headers are H3
   4. The headers in the main content and in the navigation bloc doesn't skip a level, they are now in a hierarchical order.
4. Click to toggle messaging drawer
   1. Verify the header structure
   2. The new header "Messaging drawer" is a H2 in accesshide
   3. The header "Message contacts" is now a H3 in acesshide
   4. The new header "Messages search results" is a H3 in acesshide
5. Click setting icon in messaging drawer
   1. The header "Message settings" is now a H3 in acesshide
   2. The headers "Privacy", "Notification preferences" and "General" are now H4
6. Note 1: The headers in the messaging drawer changed levels, but the aspect or the size did not change. The additionnal headers are in accesshide.
   Note 2: We didn't fix all the messaging headers, but we did the most important ones, so the Quiz can stay accessible.
7. Close the messaging drawer
8. Click to finish attempt
9. In the Summary of attempt :
   1. The Quiz name is a H2 header
10. Click to Submit all and finish
11. Confirm to Submit all and finish in the popup
12. In the review summary page :
    1. The Quiz name is now a H2 header
    2. The header "Review summary" is a H3
13. Click to finish review
    1. The Quiz name is a H2 header
    2. The header "Summary of your previous attempts" is a H3