assertNull(path);

        Integer expire = provider.provideDefaultExpire();
        assertNull(expire);
    }

    // Test with different expire values
    @Test
    public void test_differentExpireValues() {
        int[] testExpires = { 0, 1, 60, 3600, 86400, Integer.MAX_VALUE };

        for (int expire : testExpires) {
            ComponentUtil.setFessConfig(new FessConfig.SimpleImpl() {