'test the empty directory behaviour
:return:'

def test_should_be_a_non_empty_directory(self):

    self.logger.debug(('#' * 10))
    self.logger.debug('Running    %s', self._testMethodName)
    self.logger.debug(('#' * 10))
    task = HdfsSensorFolder(task_id='Should_be_non_empty_directory', filepath='/datadirectory/not_empty_directory', timeout=1, retry_delay=timedelta(seconds=1), poke_interval=1, hook=self.hook)
    task.execute(None)
