vmtest/run tests only on CentOS/7
vmtest/run tests only on CentOS/7

zhengbo0/sextant,gaoyw1/sextant,zhengbo0/sextant,gaoyw1/sextant,k8sp/sextant,k8sp/sextant,k8sp/sextant,JunfeiYang/sextant,JunfeiYang/sextant,JunfeiYang/sextant,k8sp/sextant,gaoyw1/sextant,zhengbo0/sextant