first jest test runs!

jspsych.js

@@ -5,7 +5,7 @@
  * documentation: docs.jspsych.org
  *
  **/
-var jsPsych = (function() {
+window.jsPsych = (function() {
 
   var core = {};
 

tests/plugin-single-stim.test.js

@@ -0,0 +1,5 @@
+require('../jspsych.js')
+
+test('jsPsych should be in the window object', function(){
+  expect(typeof window.jsPsych).not.toBe('undefined');
+});