Summary:
iOS tests have been failing due to iOS 12.4 not being supported by Xcode 10.2.1. Bumping to 10.3 solves it.
Ideally, we'd bump to Xcode 11.2.1 and iOS 13.2.2. We can do this once all of our internal CI machines have Xcode 11.2.1 available.
## Changelog
[iOS] [Fixed] - Fix CI iOS tests by bumping Xcode version used in Circle CI
Pull Request resolved: https://github.com/facebook/react-native/pull/27356
Test Plan: Circle
Differential Revision: D18765501
Pulled By: hramos
fbshipit-source-id: 1a1ca78c5d8f8596476b0e56740ea1bdf7422161
Héctor Ramos
7e6fae2a20