We used to have this in the old ctest. The code should be ready for this as we
already skip tracing openssh sshd (ca4fb9c6) and have workaround for openssl
issues (55252e4d), but it took me some time to figure out the secret command to
run tests under valgrind with cmake.
This adds also convenient custom target to run the memcheck manually.
Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Norbert Pocs <npocs@redhat.com>
da815b641b