gulp.task('test-browser', ['tsc'], (done) => {
    var server = start_mock_server()
    karma.start({
        configFile: __dirname + '/karma.conf.ts',
        webpack: _.assign(webpackConfig,{
            debug: true
        })
    }, () => {
        server.kill('SIGINT')
        done()
    })
})

function startKarma(conf, next) {
    karma.server.start(conf, function (exitCode) {
        // exit code === 0 is OK
        if (!exitCode) {
            console.log('\tTests ran successfully.\n');
            // rerun with a different configuration
            next();
        } else {
            // just exit with the error code
            next(exitCode);
        }
    });
}

function startTests(singleRun: boolean, done: any) {
    'use strict';
    var karma = require('karma').server;
    var excludeFiles = [];
    var serverSpecs = config.serverIntegrationSpecs;

    excludeFiles = serverSpecs;

    karma.start({
        configFile: __dirname + '/karma.conf.js',
        exclude: excludeFiles,
        singleRun: singleRun
    }, karmaCompleted);

    function karmaCompleted(karmaResult: any) {
        console.log('Karma completed!');
        if (karmaResult === 1) {
            done('karma: tests failed with code ' + karmaResult);
        } else {
            done();
        }
    }
}

 var promise:any = new Promise(function(resolve:any, reject:any) {
   server.start(config, function(){
     resolve(this);
   });
 });

 return function (done) {
   karma.start({
     configFile: join(process.cwd(), 'karma.conf.js'),
     singleRun: true,
   }, function() {
     done();
   });
 };