replace command w/ shell for os-se-test

* to envoke the test, /usr/share/openstack-selinux/*/tests/check_all
* requires shell, command will fail

Change-Id: I6b64eedf03b1f55ff0cb9b6bfd3fe760717c8389
Merge remote-tracking branch 'gerrit/master' into dev/reorg

Change-Id: I10fb80880d66f9e961f10fecc5b75f62e165cda6