fix dropdown test

dist/js/umd/dropdown.js

@@ -133,7 +133,7 @@
           this.setAttribute('aria-expanded', 'true');
 
           $(parent).toggleClass(ClassName.OPEN);
-          $(parent).trigger(Event.SHOWN, relatedTarget);
+          $(parent).trigger($.Event(Event.SHOWN, relatedTarget));
 
           return false;
         }
@@ -204,7 +204,7 @@
 
             toggles[i].setAttribute('aria-expanded', 'false');
 
-            $(_parent).removeClass(ClassName.OPEN).trigger(Event.HIDDEN, relatedTarget);
+            $(_parent).removeClass(ClassName.OPEN).trigger($.Event(Event.HIDDEN, relatedTarget));
           }
         }
       }, {

js/dist/dropdown.js

@@ -116,7 +116,7 @@ var Dropdown = (function ($) {
         this.setAttribute('aria-expanded', 'true');
 
         $(parent).toggleClass(ClassName.OPEN);
-        $(parent).trigger(Event.SHOWN, relatedTarget);
+        $(parent).trigger($.Event(Event.SHOWN, relatedTarget));
 
         return false;
       }
@@ -187,7 +187,7 @@ var Dropdown = (function ($) {
 
           toggles[i].setAttribute('aria-expanded', 'false');
 
-          $(_parent).removeClass(ClassName.OPEN).trigger(Event.HIDDEN, relatedTarget);
+          $(_parent).removeClass(ClassName.OPEN).trigger($.Event(Event.HIDDEN, relatedTarget));
         }
       }
     }, {

js/src/dropdown.js

@@ -113,7 +113,7 @@ const Dropdown = (($) => {
       this.setAttribute('aria-expanded', 'true')
 
       $(parent).toggleClass(ClassName.OPEN)
-      $(parent).trigger(Event.SHOWN, relatedTarget)
+      $(parent).trigger($.Event(Event.SHOWN, relatedTarget))
 
       return false
     }
@@ -184,7 +184,7 @@ const Dropdown = (($) => {
 
         $(parent)
           .removeClass(ClassName.OPEN)
-          .trigger(Event.HIDDEN, relatedTarget)
+          .trigger($.Event(Event.HIDDEN, relatedTarget))
       }
     }