Add test code

Former-commit-id: a225d5034b

.gitea/workflows/publish.yml

@@ -28,6 +28,8 @@ jobs:
         run: python3 --version
       - name: "Install shiv"
         run: pip install shiv
+      - name: "Test things"
+        run: echo "Build tag is: ${{ steps.build-info.outputs.build-tag }}"
       - name: "Build local shiv package"
         id: build
         run: |