EvictingQueue<String> queue = EvictingQueue.create(1);
    assertEquals(1, queue.remainingCapacity());
    queue.add("hi");
    assertEquals(0, queue.remainingCapacity());
  }

  public void testRemainingCapacity_maxSize3() {
    EvictingQueue<String> queue = EvictingQueue.create(3);
    assertEquals(3, queue.remainingCapacity());
    queue.add("hi");
    assertEquals(2, queue.remainingCapacity());
    queue.add("hi");