Adjust backend test artifact path (#33)

Author: shayancoin

.github/workflows/ci.yml

@@ -74,7 +74,7 @@ jobs:
       uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02
       with:
         name: backend-test-results
-        path: test-results
+        path: backend/test-results
 
   frontend-tests:
     runs-on: ubuntu-latest