assertEquals(0, effective.length);
AccessControlPolicyIterator it = acMgr.getApplicablePolicies(null);
assertNotNull(it);
assertTrue(it.hasNext());
AccessControlPolicy acp = it.nextAccessControlPolicy();
assertNotNull(acp);
assertTrue(acp instanceof JackrabbitAccessControlPolicy);
// modify the repo level policy
modifyPrivileges(null, NameConstants.JCR_NODE_TYPE_DEFINITION_MANAGEMENT.toString(), false);