Link to React Native Testing is broken

[sangeethaKP]

Please provide all the information requested. Issues that do not follow this format are likely to stall.

Description

The URL for testing in React Native Readme is broken

React Native version:

0.63.4 and all versions

Steps To Reproduce

The link to Testing is broken here

Expected Results

The link to Testing should take user to https://github.com/facebook/react-native/wiki/Tests#writing-tests

Snack, code example, screenshot, or link to a repository:

[cortinico]

Closing as the linked file does not exist anymore