NodeImpl target = (NodeImpl) testRootNode;
target = (NodeImpl) target.addNode("test", "test:sameNameSibsFalseChildNodeDefinition");
AccessControlManager acMgr = sImpl.getAccessControlManager();
for (AccessControlPolicyIterator it = acMgr.getApplicablePolicies(target.getPath()); it.hasNext();) {
AccessControlPolicy policy = it.nextAccessControlPolicy();
if (policy instanceof AccessControlList) {
Privilege[] privs = new Privilege[] {acMgr.privilegeFromName(Privilege.JCR_LOCK_MANAGEMENT)};
((AccessControlList) policy).addAccessControlEntry(sImpl.getPrincipalManager().getEveryone(), privs);
acMgr.setPolicy(target.getPath(), policy);
}