Change workflow

.github/workflows/test-sign.yaml

@@ -31,8 +31,9 @@ jobs:
           git config --global gpg.format ssh
           git config --global commit.gpgsign true
       - name: add something to a file
-        run:  echo $RANDOM > random.txt
+        run:  echo $RANDOM >> random.txt
       - name: push
         run: |
           git add random.txt
+          git commit -m "LOL"
           git push