SOLR-6424: Fix test for new default.

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1620197 13f79535-47bb-0310-9956-ffa450edef68
tests: raise connection timeout

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1620203 13f79535-47bb-0310-9956-ffa450edef68