tree 267c6b3dbade8fd214a7c57d6b8ad8a7bd2e1b75
parent 7ca13ed9daa710cbe1ac348cb903ffada4f8f6d2
author wanghao <wanghao749@huawei.com> 1382413301 +0800
committer wanghao <wanghao749@huawei.com> 1382518434 +0800

add extend volume tests:

- test_volume_extend
- test_volume_extend_with_size_smaller_than_original_size
- test_volume_extend_with_non_number_size
- test_volume_extend_with_None_size
- test_volume_extend_with_nonexistent_volume_id
- test_volume_extend_without_passing_volume_id

Closes-Bug: #1214251

Change-Id: I05d96109fdbdae47949126e852db6f274e3c2c4f