test: skip tree virtual-scroll render (#27771)

* test: skip tree virtual-scroll render

* test: remove branches-ignore, and use head ref to fix when merged

.github/workflows/ui.yml

@@ -2,9 +2,6 @@ name: UI
 
 on:
   pull_request_target:
-    # fix merge commit trigger
-    branches-ignore:
-      - master
   push:
     branches:
       - master
@@ -17,7 +14,7 @@ jobs:
         if: github.event_name == 'pull_request_target'
         uses: actions/checkout@master
         with:
-          ref: refs/pull/${{ github.event.pull_request.number }}/merge
+          ref: refs/pull/${{ github.event.pull_request.number }}/head
 
       - name: checkout
         if: github.event_name == 'push'

components/tree/__tests__/image.test.ts

@@ -1,5 +1,5 @@
 import { imageDemoTest } from '../../../tests/shared/imageTest';
 
 describe('Tree image', () => {
-  imageDemoTest('tree');
+  imageDemoTest('tree', { skip: ['virtual-scroll.md'] });
 });