ref: 492627977e800388a54e6f84be3a0da1becdebf4
parent: c38126b094c51222a26e1725ba6421527d3c18bd
parent: 1e43075b258dd1b372447b60552c59ee2af0bde8
author: dongzha <dongzha@cisco.com>
date: Thu Jun 12 06:46:06 EDT 2014
Merge pull request #961 from ruil2/expand_update
update expand picture UT