react-native-test-runner is unmaintained

[dynst]

https://github.com/ipfs/aegir/blob/4096577b2c6f6043966c0c4b152d93e613e4742b/package.json#L302

This was added in #777 for #437 but there hasn't even been any activity on its repo since 2021. https://github.com/acostalima/react-native-test-runner

Maybe it could be replaced with a modern alternative, like https://www.npmjs.com/package/@testing-library/react-native