test: cause an error

Author: kuisathaverat

.github/workflows/test-random-numbers.yml

@@ -18,4 +18,6 @@ jobs:
           git config --global user.name "Your Name"
           git add .
           git commit -m "test: sha"
-          git rev-parse HEAD
+          git rev-parse HEAD
+          # casue error
+          exit 1