On Tue, Sep 24, 2019 at 2:53 PM David Miller [off-list ref] wrote:

Please make such test cases integratabe into the selftests area for networking
and submit it along with this fix.

That link is for a WireGuard test-case. When we get that upstream,
those will all live in selftests/ all the same as you'd like. For now,
it's running for every kernel on https://build.wireguard.com/ which in
turn runs for every new commit.