'L{SyslogObserver.emit} logs the value of the C{\'message\'} key of the
event dictionary it is passed to the syslog.'

def test_emitMessage(self):

    self.observer.emit({'message': ('hello,    world',), 'isError': False, 'system': '-'})
    self.assertEqual(self.events, [(stdsyslog.LOG_INFO, '[-]    hello,    world')])
