Karma Gulp Task. Karma version 1.3

GulpFile.js

/**
 * Run test once and exit
 */
gulp.task('test', function (done) {
    var karmaServer = new karma.Server({
        configFile: __dirname + '/test/karma.conf.js',
        singleRun: true
    }, function (exitCode) {
        done();
        process.exit(exitCode);
    }).start();
}); 

/**
 * Run tests in chrome browser
 */
gulp.task('test:chrome', function (done) {
    var karmaServer = new karma.Server({
        configFile: __dirname + '/test/karma.conf.js',
        browsers: ['Chrome']
    }, function (exitCode) {
        done();
        process.exit(exitCode);
    }).start();
});

/**
 * Watch for file changes and re-run tests on each change
 */
gulp.task('tdd', fu
nction (done) {
    var karmaServer = new karma.Server({
        configFile: __dirname + '/test/karma.conf.js'
    }, function () {
        done();
    }).start();
});