fixup! merge with main

Author: avivkeller

apps/site/pages/en/learn/test-runner/using-test-runner.md

@@ -383,7 +383,7 @@ function globalUIBeforeEach() {
 
 You can have 2 different levels of UI tests: a unit-like (wherein externals & dependencies are mocked) and a more end-to-end (where only externals like IndexedDb are mocked but the rest of the chain is real). The former is generally the purer option, and the latter is generally deferred to a fully end-to-end automated usability test via something like [Playwright](https://playwright.dev/) or [Puppeteer](https://pptr.dev/). Below is an example of the former.
 
-```jsx
+```js
 import { before, describe, mock, it } from 'node:test';
 
 import { screen } from '@testing-library/dom';