tree ae41d846e3e475c1a247c0bcce2ad8bb342ac839
parent fd7bfb547eab7e11ac1b4e70162a73c003e011d8
author liudong <liudong78@huawei.com> 1381222212 +0800
committer liudong <liudong78@huawei.com> 1384846970 +0800

add some negative tests for security group:

- test_create_default_security_group
- test_create_sg_rules_with_non_existent_sg

Change-Id: Ica468bc0c41845050505a636a2add47b586fcac3