fix(browserTrigger): allow click event on option element

Calling browserTrigger on option will only defer to change on its parent
select element if no event is specified.
Click is needed to simulate multiple selections

Author: Narretz

src/ngScenario/browserTrigger.js

@@ -38,14 +38,15 @@
         'select-multiple': 'change',
         '_default_':       'click'
       }[inputType || '_default_'];
-    }
 
-    if (nodeName === 'option') {
-      element.parentNode.value = element.value;
-      element = element.parentNode;
-      eventType = 'change';
+      if (nodeName === 'option') {
+        element.parentNode.value = element.value;
+        element = element.parentNode;
+        eventType = 'change';
+      }
     }
 
+
     keys = keys || [];
     function pressed(key) {
       return keys.indexOf(key) !== -1;