karma.conf.js

module.exports = function(config) {
    config.set({

        basePath: '',

        frameworks: ['jasmine'],

        files: [
            // paths loaded by Karma
            //'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',
            '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},

            // 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},

            // paths loaded via module imports
            {pattern: 'app/**/*.js', included: false, watched: true},

            // paths loaded via Angular's component compiler
            // (these paths need to be rewritten, see proxies section)
            {pattern: 'app/**/*.html', included: false, watched: true},
            {pattern: 'app/**/*.css', included: false, watched: true},

            // paths to support debugging with source maps in dev tools
            {pattern: 'app/**/*.ts', included: false, watched: false},
            {pattern: 'app/**/*.js.map', included: false, watched: false},

            {pattern: 'tests/**/*_test.js', included: false, watched: false}
        ],

        // proxied base paths
        proxies: {
            // required for component assests fetched by Angular's compiler
            "/app/": "/base/app/"
        },

        customLaunchers: {
            Chrome_travis_ci: {
                base: 'Chrome',
                flags: ['--no-sandbox']
            }
        },

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

    if (process.env.TRAVIS) {
        config.browsers = ['Chrome_travis_ci'];
    }
};