remove redundancy: randomcodec tested explicitly in perfield, asserting tested explicitly, etc

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1641966 13f79535-47bb-0310-9956-ffa450edef68
more test speedups

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1641972 13f79535-47bb-0310-9956-ffa450edef68
don't allow these two tests to run with simpletext

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1641975 13f79535-47bb-0310-9956-ffa450edef68
tone down test

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1641978 13f79535-47bb-0310-9956-ffa450edef68
more test speedups

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1641982 13f79535-47bb-0310-9956-ffa450edef68