@Test
public void testOnlyConfig() throws EtcdException {

    EtcdWatcherSplittingConsumer splitter = new EtcdWatcherSplittingConsumer(empty(), consumers);
    splitter.accept(1L, Lists.newArrayList(newWatchEvent(append(CONFIGURATION_PREFIX, (byte)123))));
    assertThat(configConsumer.counter.get()).isEqualTo(1L);
    assertThat(operConsumer.counter.get()).isEqualTo(0L);
}