'Error case: \'modify ldev\' fails(MSGID0315-W).'

@mock.patch.object(vsp_horcm, '_EXEC_RETRY_INTERVAL', 1)
@mock.patch.object(vsp_horcm, '_EXEC_MAX_WAITTIME', 1)
@mock.patch.object(vsp_utils, 'execute', side_effect=_execute)
def test_update_migrated_volume_error(self, execute):

    self.assertRaises(NotImplementedError, self.driver.update_migrated_volume, self.ctxt, TEST_VOLUME[0], TEST_VOLUME[3], 'available')
