assertEquals(timestamp, queue.getLastModified());

        queue.setLastModified(null);
        assertNull(queue.getLastModified());
    }

    public void test_createTimeGetterSetter() {
        // Test createTime getter/setter
        UrlQueueImpl<Long> queue = new UrlQueueImpl<>();

        Long timestamp = System.currentTimeMillis();
        queue.setCreateTime(timestamp);

        assertEquals("text/html", result.getMimeType());

        result.setMimeType("application/json");
        assertEquals("application/json", result.getMimeType());
    }

    public void test_createTimeGetterSetter() {
        // Test create time getter/setter
        AccessResultImpl<Long> result = new AccessResultImpl<>();

        Long createTime = System.currentTimeMillis();
        result.setCreateTime(createTime);