import Ember from 'ember';

export default Ember.Component.extend({
  classNames: 'self foo bar'
});

@@ -78,23 +78,33 @@
 mes:
+ %5B
  'self
- foo 
+', 'foo', '
 bar'
+ %5D
 %0A%7D);

Classnames should be an array of strings