a mi me da error cuando hago act es normal, es decir me pone el chulito pero me sale lo siguiente tambien
console.error node_modules/react-test-renderer/cjs/react-test-renderer.development.js:68 Warning: It looks like you're using the wrong act() around your test interactions. Be sure to use the matching version of act() corresponding to your renderer:// for react-dom: import {act} from 'react-dom/test-utils'; // ... act(() => ...); // for react-test-renderer: import TestRenderer from react-test-renderer'; const {act} = TestRenderer; // ... act(() => ...); at Form (C:\Users\hola\Documentos\person\unit-testing\SnapShot\src\components\Form.js:3:17) </pre>