@Override
    protected void doDelete(final List<SelectorData> dataList) {
        dataList.forEach(pluginDataSubscriber::unSelectorSubscribe);
    }
@Test
    public void testDoDelete() {
        List<SelectorData> selectorDataList = createFakeSelectorDataObjects(3);
        selectorDataHandler.doDelete(selectorDataList);
        selectorDataList.forEach(verify(subscriber)::unSelectorSubscribe);
    }