'``destroy_volume`` raises ``UnknownVolume`` if the supplied
``blockdevice_id`` does not exist.'

def test_destroy_unknown_volume(self):

    volume = self.api.create_volume(dataset_id=uuid4(), size=self.minimum_allocatable_size)
    self.api.destroy_volume(volume.blockdevice_id)
    exception = self.assertRaises(UnknownVolume, self.api.destroy_volume, blockdevice_id=volume.blockdevice_id)
    self.assertEqual(exception.args, (volume.blockdevice_id,))
