'The config file\'s parent directory is created if it
doesn\'t exist.'

def test_no_config_directory(self):

    path = FilePath(self.mktemp()).child('config.json')
    service = VolumeService(path, FilesystemStoragePool(FilePath(self.mktemp())), reactor=Clock())
    service.startService()
    self.assertTrue(path.exists())
