fail("Failed: register");
fail("Failed: unregister");
    public void testUnregister() {        params.clear();        params.add(new Integer(0));        try {            Assert.assertTrue(((Boolean) client.execute("core.register", params)).booleanValue());        } catch (XmlRpcException e) {            fail("Failed: register");        } catch (IOException e) {            fail("Failed: register");        }    }