Babel unexpected token import when running mocha tests

Question

The solutions offered in other related questions, such as including the proper presets (es2015) in .babelrc, are already implemented in my project.

I have two projec

Answer 1

I resolved this issue this morning with the following instructions from the official Using Babel instructions for Mocha 4:

Install NPM Modules

npm install --save-dev babel-polyfill
npm install --save-dev babel-preset-env
npm install --save-dev babel-register

or a single command:

npm i -d babel-polyfill babel-preset-env babel-register

package.json:

"scripts": {
    "test": "mocha --require babel-polyfill --require babel-register"
  }

.babelrc

{
  "presets": ["env"]
}