fix extra trigger div

Author: afc163

src/SubMenu.tsx

@@ -613,7 +613,7 @@ export class SubMenu extends React.Component<SubMenuProps> {
           getPopupContainer={getPopupContainer}
           builtinPlacements={placement}
           popupPlacement={popupPlacement}
-          popupVisible={isOpen}
+          popupVisible={isInlineMode ? false : isOpen}
           popupAlign={popupAlign}
           popup={isInlineMode ? null : children}
           action={(disabled || isInlineMode) ? [] : [triggerSubMenuAction]}

tests/SubMenu.spec.js

@@ -483,7 +483,7 @@ describe('SubMenu', () => {
 
       title.simulate('click');
       jest.runAllTimers();
-      expect(wrapper.find('CSSMotion').at(1).prop('motionName')).toEqual('fade');
+      expect(wrapper.find('CSSMotion').prop('motionName')).toEqual('fade');
     });
 
     it('should not animate on initially opened menu', () => {
@@ -516,12 +516,7 @@ describe('SubMenu', () => {
       title.simulate('click');
       jest.runAllTimers();
 
-      expect(
-        wrapper
-          .find('CSSMotion')
-          .at(1)
-          .prop('motionAppear'),
-      ).toBeTruthy();
+      expect(wrapper.find('CSSMotion').prop('motionAppear')).toBeTruthy();
     });
   });