End To End E2E Testing With Supertest

# NestJS E2E Testing with Supertest and Jest Imagine building a complex NestJS application, a sophisticated ecosystem of modules, controllers, and services working in harmony. You've meticulously crafted your unit tests and integration tests, ensuring each component functions flawlessly in isolation. But what about the grand finale? How do you guarantee that the entire symphony plays together, that a user's journey from the frontend to your backend API and back is seamless? This is where **End-