'Ensure that initial C{twistd} logs are written to logs.
@param observer: The observer made by L{self._makeObserver).'

def _checkObserver(self, observer):

    self.assertEqual(self.observers, [observer])
    self.assertIn('starting    up', observer._logs[0]['log_format'])
    self.assertIn('reactor    class', observer._logs[1]['log_format'])
