Gulp task to run tests on CircleCI

gulpfile.js

/**
 * CI test task.
 *
 * Use `minijasminenode2` instead of `gulp-jasmine`
 * because normal `gulp-jasmine` doesn't exit properly
 * properly.
 */
gulp.task('test:ci', function() {
  jasmine = require('minijasminenode2');

  var options = {
    specs: globule.find(FILES.test),
    showColors: true,
    onComplete: function(passed) {
      if (!passed) {
        process.exit(1);
      }
    }
  };

  jasmine.executeSpecs(options);
});