establish GitHub actions testing with TOX #54

	name: Publish Python 🐍 distributions 📦 to TestPyPI

	on:
	push:
	branches:
	- master

	jobs:
	build-n-publish:
	name: Build and publish Python 🐍 distributions 📦 to TestPyPI
	environment: pypi-test
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	with:
	fetch-depth: 0
	- name: Set up Python 3.9
	uses: actions/setup-python@v3
	with:
	python-version: 3.9

	- name: Install pypa/build
	run: >-
	python -m
	pip install
	build
	--user
	- name: Build a binary wheel and a source tarball
	run: >-
	python -m
	build
	--sdist
	--wheel
	--outdir dist/
	.

	- name: Publish distribution 📦 to Test PyPI
	uses: pypa/gh-action-pypi-publish@release/v1
	with:
	user: __token__
	password: ${{ secrets.TEST_PYPI_API_TOKEN }}
	repository_url: https://test.pypi.org/legacy/
	skip_existing: true

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