SOLR-5883: Many tests do not shutdown SolrServer. 

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1579336 13f79535-47bb-0310-9956-ffa450edef68
tests: speed up this test for non nightly runs.

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1579350 13f79535-47bb-0310-9956-ffa450edef68