@Override
 public void afterEach() throws Exception {
   NodeIterator nodeIterator = session.getRootNode().getNodes();
   while (nodeIterator.hasNext()) {
     Node node = nodeIterator.nextNode();
     if (!JcrLexicon.SYSTEM.getString().equals(node.getName())) {
       node.remove();
     }
   }
   session.save();
   super.afterEach();
 }