@Test public void testUpdatePersonalizeDetail() throws Exception { String userId = "1000"; final UserPreferences expectedDetail = actualUserPreferencesForUserId(userId); UserPreferences detail = dao.getById(userId); assertThat(detail, notNullValue()); assertThat(detail, PersonalizationMatcher.matches(expectedDetail)); assertThat(expectedDetail.getLanguage(), is(not("DUMMY"))); expectedDetail.setLanguage("DUMMY"); Transaction.performInOne(() -> dao.save(expectedDetail)); UserPreferences actual = actualUserPreferencesForUserId(userId); assertThat(actual, notNullValue()); assertThat(actual, PersonalizationMatcher.matches(expectedDetail)); assertThat(actual.getLanguage(), is("DUMMY")); }