* refactor: MovieTimeRepository - findValidMovieTimes 네이티브 쿼리 -> JPQL 변경
* refactor: MovieTimeServiceImpl JPQL 적용 - movie.getId() -> movie
* feat: MovieTimeServiceImplTest - get movie times 케이스 작성
* refactor: MovieServiceImplTest - static factory method 적용
* feat: MovieTimeServiceImplTest - get movie time list 케이스 작성