- https://unluckyjung.github.io/testcode/2021/05/08/Independent-Test-Mehod/
- https://github.com/HomoEfficio/dev-tips/blob/master/Spring%20Data%20JPA%20%ED%85%8C%EC%8A%A4%ED%8A%B8%20%EC%8B%9C%20auto-increment%20%EB%AC%B8%EC%A0%9C.md
- https://github.com/codingspecialist/Springboot-Junit-Test-V2
- https://github.com/codingspecialist/Springboot-TStory-Project
- https://jongmin92.github.io/2020/03/31/Java/use-assertthat/
- https://assertj.github.io/doc/#assertj-core-assertions-guide
- https://medium.com/@inhyuck/java-8%EC%97%90-%EC%B6%94%EA%B0%80%EB%90%9C-%EA%B2%83%EB%93%A4-8c66023cbbae
- https://velog.io/@ym1085/Chapter24