@BeforeTest
 @Override
 protected void before() throws Exception {
   log.info("before");
   super.before();
   server = byName(ORACLE_SERVER);
   assertNotNull(server);
   details = byName("Oracle Advanced Statistics");
   assertNotNull(details);
 }
 @AfterTest
 protected void after() throws Exception {
   super.after();
   assertDown(server);
 }