ci: test workflow_run

.github/workflows/test.yml

@@ -11,4 +11,12 @@ jobs:
     steps:
       - uses: actions/checkout@v2
       - run: npm ci
-      - run: npm run all
+      - run: |
+          mkdir -p ./pr
+          echo ${{ github.event.number }} | tee ./pr/number
+          npm run all | tee ./pr/all_result
+      - uses: actions/upload-artifact@v2
+        if: ${{ github.event_name == 'pull_request' }}
+        with:
+          name: all
+          path: pr/