package.json

{
  "name": "web",
  "version": "0.0.0",
  "dependencies": {
    "react": "latest",
    "react-dom": "latest",
    "rps": "file:../rps"
  },
  "devDependencies": {
    "babel-core": "^6.26.3",
    "babel-loader": "^7.1.4",
    "babel-preset-env": "^1.6.1",
    "babel-preset-react": "^6.24.1",
    "chai": "latest",
    "html-webpack-plugin": "^3.2.0",
    "karma": "^2.0.2",
    "karma-chrome-launcher": "^2.2.0",
    "karma-mocha": "^1.3.0",
    "karma-nyan-reporter": "^0.2.5",
    "karma-sourcemap-loader": "^0.3.7",
    "karma-webpack": "^3.0.0",
    "mocha": "latest",
    "sinon": "^4.5.0",
    "sinon-chai": "^3.0.0",
    "webpack": "^4.6.0",
    "webpack-cli": "^2.1.2",
    "webpack-dev-server": "^3.1.3"
  },
  "scripts": {
    "start": "webpack-dev-server --config ./webpack.dev.conf.js --mode development",
    "test": "karma start"
  }
}

test.webpack.js

var context = require.context('./', true, /Spec\.jsx?$/);
context.keys().forEach(context);