We need to test for failures when running under apparmor.
A user reported issues installing
symbiosis-mysql, on an Ubuntu Trusty machine, which ultimately turned out to be caused by mysqld failing to start.
The specific problem was an apparmor policy which prevented mysql from reading our configuration-file:
I fixed this in ticket #606187 by updating the apparmor profile, but suspect there may be other lingering surprises for the future.