JCR-3697 : UserManager not supported error when trying to remove Node in 2.7.2
 - removed 'jackrabbit-core- from path as it was creating the test repo in the wrong location

git-svn-id: https://svn.apache.org/repos/asf/jackrabbit/trunk@1548068 13f79535-47bb-0310-9956-ffa450edef68