'Error case: The snapshot is a P-VOL of a THIN pair(MSGID0616-E).'

@mock.patch.object(vsp_utils, 'execute', side_effect=_execute)
def test_delete_snapshot_snapshot_is_busy(self, execute):

    self.assertRaises(exception.SnapshotIsBusy, self.driver.delete_snapshot, TEST_SNAPSHOT[4])
