tree 1c79851f4fb3d629062784a2b64d3bb902ee5e73
parent 81086e4cc4152fd672b381c37904a8f2d9bdc8ac
author guo yunxian <yunxian.guo@easystack.cn> 1470832612 +0800
committer guo yunxian <yunxian.guo@easystack.cn> 1471048169 +0800

Improving test_volumes_get testcase

Volume is defined in the following code. "volume = None" is
unnecessary, delete it. 'id' is uesd above, move it upper.
Add verification of size.

Change-Id: I0557f8b3ebfee2fb946664c7bd190a09ad31aa97