Fix combine volume feature issues&Adding testcase#140

Merged

volcano-sh-bot merged 3 commits intovolcano-sh:masterfrom TommyLike:bug/opt_life_cycle

May 8, 2019

+160-119

Commits on May 7, 2019

Fix combine volume feature issues&Adding testcase
TommyLike
committed

Commits on May 8, 2019