Merged revision(s) 1570928 from lucene/dev/trunk:
SOLR-5764: Add workaround to make Maven work (shared test-files does not seem to be included when the test-jar dependency is resolved).

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x@1570929 13f79535-47bb-0310-9956-ffa450edef68