assertSame(valueThree, newFirst.getValueReference().get());
    assertEquals(hashThree, newFirst.getHash());
    assertNull(newFirst.getNext());
  }

  public void testExpand_cleanup() {
    LocalCache<Object, Object> map =
        makeLocalCache(createCacheBuilder().concurrencyLevel(1).initialCapacity(1));
    Segment<Object, Object> segment = map.segments[0];