Issue for [Unit Testing and CircleCI Assignment](https://github.com/Open-Source-Studio-at-ITP/Syllabus/blob/source/testing-ci-assignment.md) completion: * [x] @alicehgsun * [ ] @camilleweins * [x] @doodybrains * [x] @guillemontecinos * [ ] @Hbentzur * [ ] @ilanabonder * [x] @jameshosken * [x] @js6450 * [x] @linzhangcs * [x] @lunaog * [ ] @muji786 * [x] @NHibiki * [x] @nicolaspe * [ ] @tinkrmind * [x] @vince19972 * [x] @WenheLI
