Under upstart, /etc/init/mounted-tmp.conf is supposed to do that tmpfs mounting, but there's a chance that it's failing on trying to write to /var or another directory. So we should test this under both.
Under upstart, /etc/init/ mounted- tmp.conf is supposed to do that tmpfs mounting, but there's a chance that it's failing on trying to write to /var or another directory. So we should test this under both.