tests: raise timeouts for nightly runs

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1554112 13f79535-47bb-0310-9956-ffa450edef68
SOLR-5587: ElectionContext implementations should use ZkCmdExecutor#ensureExists to ensure their election paths are properly created.

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1554113 13f79535-47bb-0310-9956-ffa450edef68
SOLR-4709: Move CHANGES to 4.6.1

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1554119 13f79535-47bb-0310-9956-ffa450edef68
SOLR-5503: Move CHANGES entry to 4.6.1

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1554123 13f79535-47bb-0310-9956-ffa450edef68