MNT/TST: Update to Python 3 and Add Tests #6

	# Custom simplest pytest action
	# Normally we should use pcds-ci-helpers, but that expects an installable package.
	# In the future this package could be refactored to be installable,
	# And then we'd switch this out for the standard ci suite
	name: pytest

	on:
	push:
	pull_request:
	release:
	types:
	- created

	jobs:
	test:
	name: "Python 3.9: (pip)"
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0
	- uses: actions/setup-python@v5
	with:
	python-version: "3.9"
	- name: pip
	run: pip install pytest
	- name: pytest
	run: pytest -v

Provide feedback