Add a selftest for the recently introduced check for CVE_CHECK_IGNORE.
(From OE-Core rev: dc6ebbbb94b162d8aa68e46d5a166606ace5e39c)
Signed-off-by: Simone Weiß <simone.p.weiss@posteo.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>