문제의 원인은 IntelliJ 버그입니다. 설정을 바꿔주면 정상적으로 작동합니다. IntelliJ settings -> Build, Execution, Deployment -> Gradle and under "Run tests using" select "IntelliJ IDEA" 출처 : https://stackoverflow.com/questions/59012129/why-isnt-displayname-working-for-me-in-junit-5 Why isn't @DisplayName working for me in JUnit 5? For some reason, I'm really having a hard time getting display names to actually be respected ..