update elements and fix some bugs

test/iron_behavior_active_state_test.dart

Index: test/iron_behavior_active_state_test.dart
diff --git a/test/iron_behavior_active_state_test.dart b/test/iron_behavior_active_state_test.dart
index 6dfd7f8fe4912d91d09b876c73bc88d18e39b324..97eb3cdb578875132979da33a31387e0a51c1d31 100644
--- a/test/iron_behavior_active_state_test.dart
+++ b/test/iron_behavior_active_state_test.dart
@@ -22,19 +22,17 @@ main() async {
       activeTarget = fixture('TrivialActiveState');
     });
 
-    group('non-primary pointer input source', () {
-      test('does not cause state to change', () {
-        var rightClickMouseEvent = new CustomEvent('mousedown');
-        new JsObject.fromBrowserObject(rightClickMouseEvent)['buttons'] = 2;
-        activeTarget.dispatchEvent(rightClickMouseEvent);
-        expect(activeTarget.pressed, false);
-      });
-    });
-
     group('active state with toggles attribute', () {
       setUp(() {
         activeTarget = fixture('ToggleActiveState');
       });
+      
+      group('when down', () {
+        test('is pressed', () {
+          down(activeTarget);
+          expect(activeTarget.getAttribute('pressed'), isNotNull);
+        });
+      });
 
       group('when clicked', () {
         test('is activated', () {