karma.conf.js

var browsers = [
  // "Firefox",
  "Chrome",
  "IE",
  "PhantomJS"
];

var plugins = [
  "karma-mocha-reporter",
  "karma-mocha",
  "karma-chai",
  "karma-sinon",
  "karma-firefox-launcher",
  "karma-chrome-launcher",
  "karma-ie-launcher",
  "karma-phantomjs-launcher",
  "karma-es6-shim"
];

module.exports = function (config) {

  "use strict";

  config.set({
    singleRun: true,
    basePath: "",
    frameworks: ["mocha", "chai", "sinon", "es6-shim"],
    browsers: browsers,
    reporters: ["mocha"],
    plugins: plugins,
    files: [
      { pattern: "node_modules/reflect-metadata/Reflect.js", include: true },
      { pattern: "node_modules/bluebird/js/browser/bluebird.js", include: true },
      { pattern: "temp/bundle.test.js", included: true }
    ],
    port: 9876,
    colors: true,
    autoWatch: false,
    logLevel: config.LOG_INFO
  });

};