@Override
    protected void doRefresh(final List<PluginData> dataList) {
        pluginDataSubscriber.refreshPluginDataSelf(dataList);
        dataList.forEach(pluginDataSubscriber::onSubscribe);
    }
@Test
    public void testDoRefresh() {
        List<PluginData> pluginDataList = createFakePluginDataObjects(3);
        pluginDataHandler.doRefresh(pluginDataList);
        verify(subscriber).refreshPluginDataSelf(pluginDataList);
        pluginDataList.forEach(verify(subscriber)::onSubscribe);
    }