Use yarn when running inside yarn workspace. (!3997) · Merge requests · Meta / create-react-app

Merged Administrator requested to merge github/fork/bradfordlemley/mono_test_fix into next Feb 08, 2018

Created by: bradfordlemley

Fixes this CI failure:

TypeError: Cannot read property 'loose' of undefined (While processing preset: "/tmp/tmp.XQoCgXQtTQ/yarn-ws/node_modules/babel-preset-react-app/index.js")