diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
index bdfa9fa..9ec100f 100644
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@@ -9,6 +9,15 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
+  test-root:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: install tmux
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y tmux
+
   pre-commit:
     uses: ./.github/workflows/pre-commit.yml