Unit Tests won't work with CircleCI

[voodoods]

Description

Running tests via yarn test (alias for react-scripts test --env=jsdom) locally will run unit tests and result in all tests passing while executing the same command via CircleCI results in

> [email protected] test /home/ubuntu/normansteger.com
> react-scripts test --env=jsdom

/home/ubuntu/normansteger.com/node_modules/react-scripts/bin/react-scripts.js:14
process.on('unhandledRejection', err => {
                                      ^
SyntaxError: Unexpected token >
    at Module._compile (module.js:439:25)
    at Object.Module._extensions..js (module.js:474:10)
    at Module.load (module.js:356:32)
    at Function.Module._load (module.js:312:12)
    at Function.Module.runMain (module.js:497:10)
    at startup (node.js:119:16)
    at node.js:906:3
npm ERR! Test failed.  See above for more details.

npm test returned exit code 1

See also: https://circleci.com/gh/voodoods/normansteger.com/20

How to replicate?

• Create new branch, open new PR, push Code --> build will be run by CircleCI