@Override
    public void removeProxySelector(final DiscoveryHandlerDTO discoveryHandlerDTO, final ProxySelectorDTO proxySelectorDTO) {
        DataChangedEvent dataChangedEvent = new DataChangedEvent(ConfigGroupEnum.PROXY_SELECTOR, DataEventTypeEnum.DELETE,
                Collections.singletonList(DiscoveryTransfer.INSTANCE.mapToData(proxySelectorDTO)));
        eventPublisher.publishEvent(dataChangedEvent);
    }
@Test
    public void testRemoveProxySelector() {
        doNothing().when(eventPublisher).publishEvent(any(DataChangedEvent.class));
        localDiscoveryProcessor.removeProxySelector(new DiscoveryHandlerDTO(), new ProxySelectorDTO());
        verify(eventPublisher).publishEvent(any(DataChangedEvent.class));
    }