@Override
    protected void doRefresh(final List<AppAuthData> dataList) {
        authDataSubscribers.forEach(AuthDataSubscriber::refresh);
        dataList.forEach(appAuthData -> authDataSubscribers.forEach(authDataSubscriber -> authDataSubscriber.onSubscribe(appAuthData)));
    }
@Test
    public void testDoRefresh() {
        List<AppAuthData> appAuthDataList = createFakerAppAuthDataObjects(3);
        authDataHandler.doRefresh(appAuthDataList);
        authDataSubscribers.forEach(authDataSubscriber -> verify(authDataSubscriber).refresh());
        appAuthDataList.forEach(appAuthData ->
                authDataSubscribers.forEach(authDataSubscriber -> verify(authDataSubscriber).onSubscribe(appAuthData)));
    }