old_contents: // This is a karma config file. For more details see
  //   http://karma-runner.github.io/0.13/config/configuration-file.html
  // we are also using it with karma-webpack
  //   https://github.com/webpack/karma-webpack
  
  var webpackConfig = require('../build/webpack.test.conf')
  
  module.exports = function (config) {
    config.set({
      // to run in additional browsers:
      // 1. install corresponding karma launcher
      //    http://karma-runner.github.io/0.13/config/browsers.html
      // 2. add it to the `browsers` array below.
      browsers: ['PhantomJS'],
      frameworks: ['mocha'],
      reporters: ['spec', 'coverage', 'coveralls'],
      files: [
        '../node_modules/babel-polyfill/dist/polyfill.js',
        './index.js'
      ],
      preprocessors: {
        './index.js': ['webpack', 'sourcemap']
      },
      webpack: webpackConfig,
      webpackMiddleware: {
        noInfo: true
      },
      coverageReporter: {
        dir: './coverage',
        reporters: [
          { type: 'lcov', subdir: '.' },
          { type: 'text-summary' }
        ]
      }
    })
  }
new_contents: // This is a karma config file. For more details see
  //   http://karma-runner.github.io/0.13/config/configuration-file.html
  // we are also using it with karma-webpack
  //   https://github.com/webpack/karma-webpack
  
  var webpackConfig = require('../build/webpack.test.conf')
  var path = require('path');
  
  module.exports = function (config) {
    config.set({
      // to run in additional browsers:
      // 1. install corresponding karma launcher
      //    http://karma-runner.github.io/0.13/config/browsers.html
      // 2. add it to the `browsers` array below.
      browsers: ['PhantomJS'],
      frameworks: ['mocha'],
      reporters: ['spec', 'coverage', 'coveralls'],
      files: [
        '../node_modules/babel-polyfill/dist/polyfill.js',
        './index.js'
      ],
      // logLevel: config.LOG_DEBUG,
      preprocessors: {
        './index.js': ['webpack', 'sourcemap']
      },
      webpack: webpackConfig,
      webpackMiddleware: {
        noInfo: true
      },
      coverageReporter: {
        dir: path.resolve(__dirname, './coverage'),
        reporters: [
          { type: 'lcov', subdir: '.' },
          { type: 'text-summary' }
        ]
      }
    })
  }
subject: Fix coverage output directory so it works with `karma-coveralls`