tdd_mocha_karma\Gruntfile-1.js

 //KARMA CONFIGURATION
grunt.initConfig({

   //PREVIOUS CODE..

    karma : {
      options: {
          //Karma config file
          configFile: 'karma.conf.js',
          files: [
              'node_modules/chai/chai.js',
              'node_modules/sinon-chai/lib/sinon-chai.js',
              'node_modules/sinon/pkg/sinon.js',

              // Our test files
              'js/Telefilm.js',
              'test/telefilm-test.js',


              'test/index.html'
          ]
      },

      dev: {
          // All tested enviroments!!! (Browsers + phantomJS)
          browsers: ['Chrome', 'Firefox', 'PhantomJS']
      }
  }
});