docs: fix the jest warning: Animated: useNativeDriver (react-navigation#962)

* Update testing.md

Animated warning file path change

* docs: Remove warning Animated: 'useNativeDriver'

Remove the Animated: `useNativeDriver` for [email protected], file has moved

Author: Talal531

versioned_docs/version-5.x/testing.md

@@ -30,6 +30,10 @@ jest.mock('react-native-reanimated', () => {
 
 // Silence the warning: Animated: `useNativeDriver` is not supported because the native animated module is missing
 jest.mock('react-native/Libraries/Animated/src/NativeAnimatedHelper');
+
+// As of [email protected] file has moved
+jest.mock('react-native/Libraries/Animated/NativeAnimatedHelper');
+
 ```
 
 Then we need to use this setup file in our jest config. You can add it under `setupFiles` option in a `jest.config.js` file or the `jest` key in `package.json`: