'Should raise error saying multiattach not enabled'

def test_initialize_connection_iscsi_volume_mapped_to_another_host(self):

    connector = {'initiator': eseries_fake.INITIATOR_NAME}
    fake_mapping_to_other_host = copy.deepcopy(eseries_fake.VOLUME_MAPPING)
    fake_mapping_to_other_host['mapRef'] = eseries_fake.HOST_2['hostRef']
    self.mock_object(host_mapper, 'map_volume_to_single_host', side_effect=exception.NetAppDriverException)
    self.assertRaises(exception.NetAppDriverException, self.library.initialize_connection_iscsi, get_fake_volume(), connector)
    self.assertTrue(host_mapper.map_volume_to_single_host.called)
