public Page<VoucherSimpleResponse> findAllWithPaging(final Pageable pageable) {
        return voucherRepository.findAllWithPaging(pageable);
    }
@Test
    void 바우처를_페이징_조회한다() {
        // given
        PageRequest pageRequest = PageRequest.of(0, 10);

        // when
        Page<VoucherSimpleResponse> result = voucherRepository.findAllWithPaging(pageRequest);

        // then
        assertSoftly(softly -> {
            softly.assertThat(result.getContent()).hasSize(1);
            softly.assertThat(result.getContent().get(0).id()).isEqualTo(voucher.getId());
            softly.assertThat(result.getContent().get(0).couponId()).isEqualTo(coupon.getId());
            softly.assertThat(result.hasNext()).isEqualTo(false);
        });
    }