tree 84d1640db39e8522b51c09735aea14961975caff
parent daea026d33d186198ea21645f419f6cb3af034b6
author Zhi Kun Liu <zhikunli@cn.ibm.com> 1389168512 +0800
committer Zhi Kun Liu <zhikunli@cn.ibm.com> 1392214833 +0800

clean up security groups tests

This patch clean up test codes of security groups in the
following items:
1. add a helper function create_new_security_group to replace the
   duplicate codes in test methods
2. remove duplicate test case test_security_group_create_delete
   in test_security_groups.py
3. use data_utils.rand_uuid() instead of str(uuid.uuid4())
4. import test module instead of attr

Change-Id: Iaf1a267134a12a664a0f306980c9cb39fe5ac1eb