diff --git a/.github/workflows/pr-open.yml b/.github/workflows/pr-open.yml
index f017e1c70..38f31b3b9 100644
--- a/.github/workflows/pr-open.yml
+++ b/.github/workflows/pr-open.yml
@@ -49,9 +49,31 @@ jobs:
             After merge, new images are deployed in:
             - [Merge Workflow](https://github.com/${{ github.repository }}/actions/workflows/merge.yml)
 
+  test:
+    test:
+      name: Test
+      runs-on: ubuntu-22.04
+      steps:
+        - uses: actions/checkout@v4
+        - name: Test vars
+          run: |
+            echo "Merge group: ${{ github.workflow }}-${{ github.event.number || github.event.merge_group.base_sha }}"
+
+  blocker:
+    blocker:
+      name: Blocker
+      if: github.event_name == 'pull_request'
+      needs: [test]
+      runs-on: ubuntu-22.04
+      steps:
+        - name: Blocker vars
+          run: |
+            echo "Block for merge queues"
+
   # Find initial PR number (for merge queues)
   vars:
     name: Set Variables
+    needs: [blocker]
     outputs:
       pr: ${{ steps.pr.outputs.pr }}
     runs-on: ubuntu-22.04