Fix React Native Testing Library link (#3240)

Author: boreyko1

content/docs/testing-environments.md

@@ -29,7 +29,7 @@ A large portion of UI tests can be written with the above setup: using Jest as a
 
 If you're writing a library that tests mostly browser-specific behavior, and requires native browser behavior like layout or real inputs, you could use a framework like [mocha.](https://mochajs.org/)
 
-In an environment where you _can't_ simulate a DOM (e.g. testing React Native components on Node.js), you could use [event simulation helpers](/docs/test-utils.html#simulate) to simulate interactions with elements. Alternately, you could use the `fireEvent` helper from [`@testing-library/react-native`](https://testing-library.com/docs/native-testing-library).
+In an environment where you _can't_ simulate a DOM (e.g. testing React Native components on Node.js), you could use [event simulation helpers](/docs/test-utils.html#simulate) to simulate interactions with elements. Alternately, you could use the `fireEvent` helper from [`@testing-library/react-native`](https://testing-library.com/docs/react-native-testing-library/intro).
 
 Frameworks like [Cypress](https://www.cypress.io/), [puppeteer](https://github.com/GoogleChrome/puppeteer) and [webdriver](https://www.seleniumhq.org/projects/webdriver/) are useful for running [end-to-end tests](#end-to-end-tests-aka-e2e-tests).