// remove the nodes
Set<NodeKey> expectedJournalKeys = new TreeSet<NodeKey>();
for (int i = 0; i < nodeCount; i++) {
AbstractJcrNode node = session1.getNode("/testNode_" + i);
expectedJournalKeys.add(node.key());
node.remove();
}
expectedJournalKeys.add(session1.getRootNode().key());
session1.save();