ticker.advance(1);
    assertNull(map.get(key));
    segment.expireEntries(ticker.read());
    assertNull(map.get(key));
    assertTrue(segment.writeQueue.isEmpty());
  }

  public void testExpireAfterAccess() {
    FakeTicker ticker = new FakeTicker();
    LocalCache<Object, Object> map =
        makeLocalCache(
            createCacheBuilder()
                .concurrencyLevel(1)