테스트를 하다가 이런 에러가 발생했다. package hello.hellospring.repository; import hello.hellospring.domain.Member; import org.assertj.core.api.Assertions; import org.junit.jupiter.api.Test; import java.util.List; import static org.assertj.core.api.Assertions.*; class MemoryMemberRepositoryTest { MemoryMemberRepository repository = new MemoryMemberRepository(); @Test public void save(){ Member member = new Memb..
