Fix #155: SidePane Show Hide test failing on Firefox 25
Fix #155: SidePane Show Hide test failing on Firefox 25

harbalk/deliteful,EAlexRojas/deliteful,EAlexRojas/deliteful,harbalk/deliteful,cjolif/deliteful,tkrugg/deliteful,kitsonk/deliteful,brunano21/deliteful,tkrugg/deliteful,cjolif/deliteful,brunano21/deliteful,kitsonk/deliteful