diff --git a/.forgejo/workflows/demo.yml b/.forgejo/workflows/demo.yml
index 4fe360d..b6ae619 100644
--- a/.forgejo/workflows/demo.yml
+++ b/.forgejo/workflows/demo.yml
@@ -16,5 +16,8 @@ jobs:
       - name: Install eask
         run: npm install -g @emacs-eask/cli
 
+      - name: Run tests
+        run: eask test buttercup
+
       - name: Uninstall eask
         run: npm uninstall -g @emacs-eask/cli