The task details pages are not currently showing the "Task covered by" for Covered tasks.
toaster/master:a1754bb1d146aad6c6f5bf1dcb4b27804556ed9b
The covered task list turned out to be somewhat complicated to compute. I dumped out a lot of the intermediate data during the computation and it appears correct for the examples I tried. (Of course, my notion of what is correct may be somewhat challenged.) - fw
commit 396e2153a99c7ec742ec5432d471e8b0d88c0a3f
verified in master:863cc7483f5ee43189537940de8ee5c0964d24cc