clearStore에 빨간 줄 생성

[질문 템플릿]
1. 강의 내용과 관련된 질문인가요? 예
2. 인프런의 질문 게시판과 자주 하는 질문에 없는 내용인가요? 예
3. 질문 잘하기 메뉴얼을 읽어보셨나요? 예

[질문 내용]

clearStore에 왜 빨간 줄이 생기는건가요?

package hello.hellospring.service; import hello.hellospring.domain.Member; import hello.hellospring.repository.MemoryMemberRepository; import org.junit.jupiter.api.AfterEach; import org.junit.jupiter.api.Assertions; import org.junit.jupiter.api.Test; import static org.assertj.core.api.Assertions.assertThat; import static org.assertj.core.api.Assertions.fail; import static org.junit.jupiter.api.Assertions.assertThrows; class MemberServiceTest { MemberService memberService = new MemberService(); MemoryMemberRepository memberRepository = new MemoryMemberRepository(); @AfterEach public void afterEach(){ memberRepository.clearStore(); } @Test void 회원가입() { //given Member member = new Member(); member.setName("hello"); //when Long saveId = memberService.join(member); //then Member findMember = memberService.findOne(saveId).get(); assertThat(member.getName()).isEqualTo(findMember.getName()); } @Test public void 중복_회원_예외() { // given Member member1 = new Member(); member1.setName("spring"); Member member2 = new Member(); member2.setName("spring"); // when memberService.join(member1); IllegalStateException e = assertThrows(IllegalStateException.class, () -> memberService.join(member2)); assertThat(e.getMessage()).isEqualTo("이미 존재하는 회원입니다"); /*memberService.join(member1); try{ memberService.join(member2); fail("실패"); } catch (IllegalStateException e){ assertThat(e.getMessage()).isEqualTo("이미 존재하는 회원입니다.123123"); }*/ // then } @Test void findOne() { } @Test void testJoin() { } @Test void testFindMembers() { } @Test void testFindOne() { } }