diff --git a/.github/workflows/commit_checks.yml b/.github/workflows/commit_checks.yml
index bbee5c5..f75e0c2 100644
--- a/.github/workflows/commit_checks.yml
+++ b/.github/workflows/commit_checks.yml
@@ -38,6 +38,8 @@ jobs:
   run-pytest:
     name: Run Tests
     runs-on: ubuntu-latest
+    env:
+      DISPLAY: ':99.0'
     strategy:
       fail-fast: false
       matrix:
@@ -71,6 +73,10 @@ jobs:
         run: pip install Basilisk*.whl
       - name: Install BSK-RL
         run: pip install -e '.[all]' && finish_install
+      - uses: tlambert03/setup-qt-libs@v1
+      - name: build "display"
+        run: |
+          /sbin/start-stop-daemon --start --quiet --pidfile /tmp/custom_xvfb_99.pid --make-pidfile --background --exec /usr/bin/Xvfb -- :99 -screen 0 1920x1200x24 -ac +extension GLX        
       - name: Run pytest
         run: pytest -v -ra --tb=long -o log_cli=true -o log_level=DEBUG