def tearDownClass(self):
"""
clean up
:return:
"""
self.logging.info('--> TestLogicalVols.tearDownClass()')
self.logging.debug('delete the pv and vg created in setup class')
utils.delete_vg(self.vgname)
utils.delete_pv(self.dev+'1')
time.sleep(5)
utils.del_eckd_partition(self.dev)
self.logging.info('<-- TestLogicalVols.tearDownClass()')
