Added deploy test step before deploy

Author: lucasimi

.github/workflows/deploy-test.yml

@@ -23,6 +23,12 @@ jobs:
         run: | 
           python -m build
           python -m twine check dist/*
+      - name: Upload package to TestPyPI
+        run: | 
+          python -m twine upload -r testpypi dist/* --verbose
+        env:
+          TWINE_USERNAME: ${{ secrets.TWINE_USERNAME_TEST }}
+          TWINE_PASSWORD: ${{ secrets.TWINE_PASSWORD_TEST }}
       - name: Upload package to PyPI
         run: | 
           python -m twine upload -r pypi dist/* --verbose