This can happen on an assertion failure, and causes noise while looking
for real memory errors.
Also disable an unstable test, it's not clear that it passes depending
on how loaded the machine is (just increasing timeouts doesn't seem to
help).
Signed-off-by: Miklos Vajna <vmiklos@collabora.com>
Change-Id: I049bd0a06f41e2d43702ec12a2c35944bc5200d8