karma.conf.js

// Karma configuration
module.exports = function(config) {
  config.set({

    basePath: '',

    frameworks: ['jasmine'],

    files: [
      // Polyfills.
      'node_modules/es6-shim/es6-shim.js',

      'node_modules/reflect-metadata/Reflect.js',

      // System.js for module loading
      'node_modules/systemjs/dist/system-polyfills.js',
      'node_modules/systemjs/dist/system.src.js',

      // Zone.js dependencies
      'node_modules/zone.js/dist/zone.js',
      'node_modules/zone.js/dist/jasmine-patch.js',
      'node_modules/zone.js/dist/async-test.js',

      // RxJs.
      { pattern: 'node_modules/rxjs/**/*.js', included: false, watched: false },
      { pattern: 'node_modules/rxjs/**/*.js.map', included: false, watched: false },


      {pattern: 'karma-test-shim.js', included: true, watched: true},
      {pattern: 'built/test/matchers.js', included: true, watched: true},

      // paths loaded via module imports
      // Angular itself
      {pattern: 'node_modules/@angular/**/*.js', included: false, watched: true},
      {pattern: 'node_modules/@angular/**/*.js.map', included: false, watched: true},

      {pattern: 'node_modules/firebase/firebase.js', included: false, watched: false},
      {pattern: 'dist/**/*.js', included: false, watched: true},
      {pattern: 'dist/**/*.js.map', included: false, watched: false}
    ],

    port: 9876,
    colors: true,
    logLevel: config.LOG_INFO,
    autoWatch: true,
    browsers: ['Chrome'],
    singleRun: false
  })
};