fix(unit-test): dropdown, collapse and carousel

js/tests/unit/dropdown.js

@@ -663,6 +663,8 @@ $(function () {
         $dropdown[0].dispatchEvent(keydown40)
         assert.ok($(document.activeElement).is($('#item1')), 'item1 is focused')
 
+        keydown40 = new Event('keydown')
+        keydown40.which = 40
         document.activeElement.dispatchEvent(keydown40)
         assert.ok($(document.activeElement).is($('#item2')), 'item2 is focused')
 
@@ -899,11 +901,15 @@ $(function () {
 
                 assert.ok(document.activeElement === $('#item1')[0], 'item1 is focused')
                 done()
-              }).bootstrapDropdown('toggle')
-            $input[0].dispatchEvent(new Event('click'))
+              })
+              .bootstrapDropdown('toggle')
+
+            $input.bootstrapDropdown('toggle')
           })
-        $input[0].dispatchEvent(new Event('click'))
+
+        $input.bootstrapDropdown('toggle')
       })
+
     $input[0].dispatchEvent(new Event('click'))
   })
 
@@ -973,10 +979,13 @@ $(function () {
 
                 assert.ok(document.activeElement === $('#item1')[0], 'item1 is focused')
                 done()
-              }).bootstrapDropdown('toggle')
-            $textarea[0].dispatchEvent(new Event('click'))
+              })
+              .bootstrapDropdown('toggle')
+
+            $textarea.bootstrapDropdown('toggle')
           })
-        $textarea[0].dispatchEvent(new Event('click'))
+
+        $textarea.bootstrapDropdown('toggle')
       })
     $textarea[0].dispatchEvent(new Event('click'))
   })