LUCENE-5944: Remove useless test (will be fixed soon by LUCENE-5952)

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_5x@1625990 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-5960: move CHANGES entry under 5.0

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_5x@1625999 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-5959: add CHANGES entry

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_5x@1626002 13f79535-47bb-0310-9956-ffa450edef68