Clone this repository in your local machine Install & Run Tests Locally npm init -y npm test Output PASS tests/calculator.test.js ✓ adds two numbers (1 ms) ✓ subtracts two numbers (1 ms) ✓ multiplies two numbers Test Suites: 1 passed, 1 total Tests: 3 passed, 3 total Snapshots: 0 total Time: 0.272 s Ran all test suites. CI: Tests automatically run on every push using GitHub Actions.