'Failed deletions of volumes does not result in a failed result from
``DeleteDataset.run()``.
The traceback is, however, logged.'

@validate_logging((lambda test, logger: logger.flush_tracebacks(CustomException)))
def test_failed_create(self, logger):

    self.patch(self.volume_service.pool, 'destroy', (lambda fs: fail(CustomException())))
    self.patch(_p2p, '_logger', logger)
    delete = DeleteDataset(dataset=Dataset(dataset_id=self.volume2.name.dataset_id))
    self.successResultOf(delete.run(self.deployer, state_persister=InMemoryStatePersister()))
