}
    assertEquals(10, CacheTesting.expirationQueueSize(cache));
    assertEquals(0, removalListener.getCount());

    // wait, so that entries have just 10 ms to live
    ticker.advance(ttl * 2 / 3, MILLISECONDS);

    assertEquals(10, CacheTesting.expirationQueueSize(cache));
    assertEquals(0, removalListener.getCount());

    int shift2 = shift1 + 10;