제스트 공식 문서 https://jestjs.io/ Jest By ensuring your tests have unique global state, Jest can reliably run tests in parallel. To make things quick, Jest runs previously failed tests first and re-organizes runs based on how long test files take. jestjs.io 제스트 설치하기 https://jestjs.io/docs/getting-started Getting Started · Jest Install Jest using yarn: jestjs.io yarn add --dev jest npm install --save-..
