mocha-loader

npm install --save-dev mocha-loader

module.exports = {
  entry: './entry.js',
  output: {
    path: __dirname,
    filename: 'bundle.js'
  },
  module: {
    rules: [{
      test: /test\.js$/,
      use: 'mocha-loader',
      exclude: /node_modules/,
    }]
  }
}

import test from './test'

webpack --module-bind 'mocha-loader!./test'

import test from './test'

import test from 'mocha-loader!./test'