fix test bug

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1597610 13f79535-47bb-0310-9956-ffa450edef68
fix test bug

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1597612 13f79535-47bb-0310-9956-ffa450edef68