allow this monster test to print stuff to stdout

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1629362 13f79535-47bb-0310-9956-ffa450edef68
don't try to add too many docs in our monster tests

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1629366 13f79535-47bb-0310-9956-ffa450edef68