docs(start/framework/testing): fix code (#13153)

* Update testing.md

Without this change, the test doesn't pass

* Update contributors.yml

* Use destructuring

Co-authored-by: Michaël De Boey <[email protected]>

---------

Co-authored-by: Michaël De Boey <[email protected]>

Author: jmjpro

contributors.yml

@@ -156,6 +156,7 @@
 - JesusTheHun
 - jimniels
 - jmargeta
+- jmjpro
 - johnpangalos
 - jonkoops
 - jrakotoharisoa

docs/start/framework/testing.md

@@ -13,7 +13,7 @@ Consider a login form component that relies on `useActionData`
 import { useActionData } from "react-router";
 
 export function LoginForm() {
-  const errors = useActionData();
+  const { errors } = useActionData();
   return (
     <Form method="post">
       <label>