more test tuning

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1642202 13f79535-47bb-0310-9956-ffa450edef68
less simpletext, less simplefsdir, put directdv in rotation

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1642209 13f79535-47bb-0310-9956-ffa450edef68
remove unnecessary build dependency

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1642210 13f79535-47bb-0310-9956-ffa450edef68