'``enumerate()`` returns a volume previously ``create()``ed when its
name includes a period.'

def test_enumerate_a_volume_with_period(self):

    pool = FilesystemStoragePool(FilePath(self.mktemp()))
    service = VolumeService(FilePath(self.mktemp()), pool, reactor=Clock())
    service.startService()
    expected = self.successResultOf(service.create(service.get(VolumeName(namespace=u'ns', dataset_id=u'some.volume'))))
    actual = self.successResultOf(service.enumerate())
    self.assertEqual([expected], list(actual))
