tree 787e0969a5908b52d97eb396daa842e0aaa42806
parent 75048e4c86e777a6db87de47dd3e20ed9f57fa9e
author zhufl <zhu.fanglei@zte.com.cn> 1540867717 +0800
committer zhufl <zhu.fanglei@zte.com.cn> 1542597186 +0000

Use base.delete_server in test_servers.py

In test_servers.py,
1. base.delete_server can be used to replace the multi lines
   of addCleanUp of deleting server and waiting for server termination.
2. wait_until='ACTIVE' can be passed to create_test_server to
   avoid the extra line of waiting for server active.

Change-Id: Ic6e718cf2e3f251abd89692ada0072b29e71e57b