old_contents: // 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: 'dist/**/*.js', included: false, watched: true},
        {pattern: 'dist/**/*.js.map', included: false, watched: false}
      ],
  
      preprocessors: {
        '**/*.js': ['sourcemap']
      },
  
      reporters: ['mocha'],
      port: 9876,
      colors: true,
      logLevel: config.LOG_INFO,
      autoWatch: true,
      browsers: ['Chrome'],
      singleRun: false
    })
  };
new_contents: // 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/long-stack-trace-zone.js',
        'node_modules/zone.js/dist/jasmine-patch.js',
        'node_modules/zone.js/dist/async-test.js',
        'node_modules/zone.js/dist/fake-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: 'dist/**/*.js', included: false, watched: true},
        {pattern: 'dist/**/*.js.map', included: false, watched: false}
      ],
  
      preprocessors: {
        '**/*.js': ['sourcemap']
      },
  
      reporters: ['mocha'],
      port: 9876,
      colors: true,
      logLevel: config.LOG_INFO,
      autoWatch: true,
      browsers: ['Chrome'],
      singleRun: false
    })
  };
subject: set up karma to support fakeAsync