tree d58d8de03be9361b5e6f664f1eaf7129a655eff7
parent dfa619cc6608774c14bc5d9ea0162f36b0780285
author Ken'ichi Ohmichi <ken-oomichi@wx.jp.nec.com> 1485570419 -0800
committer Ken'ichi Ohmichi <ken-oomichi@wx.jp.nec.com> 1486330062 -0800

Switch to decorators.idempotent_id on volume

So many modules are using test.idempotent_id and this is for
switching to decorators.idempotent_id on volume.

Change-Id: Icbf4a8d3e91cf25dda9529e0379e0336181a3570
Related-Bug: #1616913