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

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

    self.assertRaises(exception.VolumeIsBusy, self.driver.delete_volume, TEST_VOLUME[4])
