@Test
    public void persistsRemovalOfEntries() {
        createCache();
        checkAddsAndRemoves(1, 2, 3, 4, 5);
        verifyAndCloseCache();
    }

    @Test
    public void persistsRemovalOfEntriesInReverse() {
        createCache();
        checkAddsAndRemoves(Collections.<Integer>reverseOrder(), 1, 2, 3, 4, 5);
        verifyAndCloseCache();
    }

    @Test