RFC: Change rules for adding/changing test cases

[Richard Earnshaw]

> We can't regulate the *initial* contents of the PR (since these come from
> the general public),

Of course.
> but we could put requirements on what must be added
> to the report to mark it as fixed (examples: pointers to relevant mailing
> list discussion and patches, explanation of what caused the failure, etc).

That's what I was talking about.

> We should avoid making things too cumbersome, though.

Agreed.