@Override
  public <T extends State> T state(StateNamespace namespace, StateTag<T> address) {
    return workItemState.get(namespace, address, StateContexts.nullContext());
  }
@Test
  public void testNewWatermarkNoFetch() throws Exception {
    StateTag<WatermarkHoldState> addr =
        StateTags.watermarkStateInternal("watermark", TimestampCombiner.EARLIEST);

    WatermarkHoldState bag = underTestNewKey.state(NAMESPACE, addr);
    assertThat(bag.read(), Matchers.nullValue());

    // Shouldn't need to read from windmill for this.
    Mockito.verifyZeroInteractions(mockReader);
  }