tree 37aa912742550b8961d26f0d9359b6491bdbb8b2
parent c03cfab4a6bcd20da4250accd16f3b749e64e3dc
author wanghao <wanghao749@huawei.com> 1380453249 +0800
committer wanghao <wanghao749@huawei.com> 1381212910 +0800

add some negative tests for volume updating:

- test_update_volume_with_nonexistant_volume_id
- test_create_volume_with_size_negative
- test_update_volume_with_invalid_volume_id
- test_update_volume_with_empty_volume_id

Change-Id: Iee8510303b2643c065a662655ac2b4e44611ba84