Setup
Use "Boost theme"
Create a course with at least 30 students and add an assignment
Set a due date for the assignment and allow all submission types and feedback types
Add a hebrew language pack to the site.
Purge all caches.
Resize the browser window to be very narrow (500px wide should be enough).
On all branches
Part 1.
As a teacher view the assignment and go to "View all submissions" page.
Verify that the grading table is scrollable left and right within the page, but the entire page is only scrollable up and down, not left and right.
Part 2.
As a teacher go to the 'Grader report' in the Gradebook
Verify that the row of headers, the row of footers, and the column of user info all stay visible when scrolling up, down, left and right in the grader report.
Part 3.
As a teacher view the assignment and go to "View all submissions" page.
Change the language to hebrew
Verify the grading table is scrollable to the left and right and you can see all the columns.