fixup: prettier

Author: mcous

docs/svelte-testing-library/example.mdx

@@ -71,8 +71,8 @@ test('greeting appears on click', async () => {
 
 ## Events
 
-Events can be tested using spy functions. 
-If you're using Vitest you can use [`vi.fn()`][vi-fn] to create a spy.
+Events can be tested using spy functions. If you're using Vitest you can use
+[`vi.fn()`][vi-fn] to create a spy.
 
 :::info