protected final void importSingleUser(Repository userRepository, String userName, String password) throws Exception {

        ByteArrayInputStream bis = new ByteArrayInputStream((

            "<roles>" +

                "<user name="" + userName + "">" +

                "<properties><username>" + userName + "</username></properties>" +

                "<credentials><password type="String">" + password + "</password></credentials>" +

                "</user>" +

            "</roles>").getBytes());



        Assert.assertTrue("Committing test user data failed!", userRepository.commit(bis, userRepository.getRange().getHigh()));

    }