refactor(clean-code): goodcode 학습 테스트에 @Nested 카테고리 그룹화 적용#13

jaeyeonling merged 4 commits intocho-log:maincho-log/java-learning-test:mainfrom

yesjuhee:refactor/nested-grouping-clean-codeyesjuhee/java-learning-test:refactor/nested-grouping-clean-codeCopy head branch name to clipboard