public ReviewGroupResponse getReviewGroupSummary(String reviewRequestCode) {
        ReviewGroup reviewGroup = reviewGroupRepository.findByReviewRequestCode(reviewRequestCode)
                .orElseThrow(() -> new ReviewGroupNotFoundByReviewRequestCodeException(reviewRequestCode));

        return new ReviewGroupResponse(reviewGroup.getReviewee(), reviewGroup.getProjectName());
    }
@Test
    void 리뷰_요청_코드로_리뷰_그룹을_조회한다() {
        // given
        ReviewGroup reviewGroup = reviewGroupRepository.save(new ReviewGroup(
                "ted",
                "review-me",
                "reviewRequestCode",
                "groupAccessCode"
        ));

        // when
        ReviewGroupResponse response = reviewGroupLookupService.getReviewGroupSummary(
                reviewGroup.getReviewRequestCode()
        );

        // then
        assertAll(
                () -> assertThat(response.revieweeName()).isEqualTo(reviewGroup.getReviewee()),
                () -> assertThat(response.projectName()).isEqualTo(reviewGroup.getProjectName())
        );
    }