fix build.

.github/workflows/build-push-backend.yml

@@ -74,6 +74,9 @@ jobs:
       - name: Install the project
         run: uv sync --locked --all-extras --dev
 
+      - name: Setup test config
+        run: cp config.example.toml config.toml
+
       - name: Run tests
         run: uv run pytest tests