// Optional: configure or set up a testing framework before each test. // If you delete this file, remove `setupFilesAfterEnv` from `jest.config.js` // Used for __tests__/testing-library.js // Learn more: https://github.com/testing-library/jest-dom require("@testing-library/jest-dom/extend-expect"); global.IntersectionObserver = class IntersectionObserver { constructor() {} observe() { return null; } disconnect() { return null; } unobserve() { return null; } };