fix jshint errors on new test helper
fix jshint errors on new test helper

mattmarcum/ember-mobiletouch,kbullaughey/ember-mobiletouch,mattmarcum/ember-mobiletouch,yapplabs/ember-mobiletouch,runspired/ember-mobiletouch,runspired/ember-mobiletouch,yapplabs/ember-mobiletouch,kbullaughey/ember-mobiletouch