old_contents: var webpack = require('webpack');
  
  module.exports = function (config) {
    config.set({
      browsers: [ 'PhantomJS' ], // use PhantomJS for now (@gordyd - I'm using a VM)
      singleRun: true,
      frameworks: [ 'mocha', 'sinon' ], // Mocha is our testing framework of choice
      files: [
        'tests.webpack.js' //just load this file
      ],
      preprocessors: {
        'tests.webpack.js': [ 'webpack', 'sourcemap' ] //preprocess with webpack and our sourcemap loader
      },
      reporters: [ 'mocha' ],
      webpack: { // kind of a copy of your webpack config
        devtool: 'inline-source-map', //just do inline source maps instead of the default
        module: {
          loaders: [
            { test: /\.js$/, loader: 'jsx-loader' },
            { test: /\.json$/, loader: 'json-loader' }
          ]
        }
      },
      webpackServer: {
        noInfo: true //please don't spam the console when running in karma!
      }
    });
  };
new_contents: var webpack = require('webpack');
  
  module.exports = function (config) {
    config.set({
      browsers: [ 'PhantomJS' ], // Use PhantomJS for now (@gordyd - I'm using a VM)
      singleRun: true,
      frameworks: [ 'mocha', 'sinon' ], // Mocha is our testing framework of choice
      files: [
        'tests.webpack.js' // We're using Webpack to build
      ],
      preprocessors: {
        'tests.webpack.js': [ 'webpack', 'sourcemap' ] // Preprocess with webpack and our sourcemap loader
      },
      reporters: [ 'mocha' ],
      webpack: { // Simplified Webpack configuration
        module: {
          loaders: [
            { test: /\.js$/, loader: 'jsx-loader' },
            { test: /\.json$/, loader: 'json-loader' }
          ]
        }
      },
      webpackServer: {
        noInfo: true // We don't want webpack output
      }
    });
  };
subject: Speed up webpack process by removing sourcemap from test process - needs more work here