Update link to Svelte Society testing recipe (#704)

Author: benmccann

docs/svelte-testing-library/example.mdx

@@ -52,5 +52,5 @@ test('changes button text on click', async () => {
 ```
 
 For additional resources, patterns and best practices about testing svelte
-components and other svelte features take a look at
-[svelte-society/recipes-mvp/testing](https://github.com/svelte-society/recipes-mvp/blob/master/testing.md).
+components and other svelte features take a look at the
+[Svelte Society testing recipe](https://sveltesociety.dev/recipes/testing-and-debugging/unit-testing-svelte-component).