karma.conf.js

/* global module */
module.exports = function (config) {
    'use strict';
    config.set({
        autoWatch: true,
        singleRun: false,

        frameworks: ['jspm', 'jasmine'],

        files: [
            'node_modules/karma-babel-preprocessor/node_modules/babel-core/browser-polyfill.js',
            {pattern: 'app/assets/images/**/*.png', watched: false, included: false, served: true},
        ],

        jspm: {
            config: 'app/jspm-config/config-karma.js',
            loadFiles: [
                'build/development/**/*.js'
            ]
        },

        browsers: ['PhantomJS'],

        proxies:  {
            '/assets/images/': '/base/app/assets/images/'
        },
        reporters: ['dots'],

    });

};