@Before
public void setUp() throws Exception {
System.setProperty("derby.stream.error.file", "target/derby.log");
jackrabbitRepository = JcrUtils.getRepository(
new File("target", "jackrabbit").toURI().toURL().toString());
oakRepository = new Jcr().createRepository();
writeSessions.add((JackrabbitSession) jackrabbitRepository.login(new SimpleCredentials("admin", "admin".toCharArray())));
writeSessions.add((JackrabbitSession) oakRepository.login(new SimpleCredentials("admin", "admin".toCharArray())));
setupAuthorizables();