Fixed tests #45

	name: Python package

	on: [push, pull_request, workflow_dispatch]

	jobs:

	# Test on all three platforms.
	platform:

	strategy:
	matrix:
	os: [ windows-latest, ubuntu-latest, macos-latest ]

	runs-on: ${{ matrix.os }}

	steps:
	- name: Check out code.
	uses: actions/checkout@v3

	- name: Set up Python.
	uses: actions/setup-python@v4
	with:
	python-version: '3.10'

	- name: Install project.
	run: pip install .[test]

	# Some unit tests are written in Jupyter notebooks. However, PyTest does not parse notebooks.
	# Therefore, we convert the notebooks to scripts and run the tests on the scripts.
	- name: Ensure all tests reflect the latest Jupyter notebooks.
	run: cd tests && python convert_notebooks_to_scripts.py

	- name: Run tests.
	run: cd .. && pytest

	# Test on all supported Python versions.
	Python:

	strategy:
	matrix:
	python: ['3.9','3.10','3.11']

	runs-on: ubuntu-20.04

	steps:
	- name: Check out code.
	uses: actions/checkout@v3

	- name: Set up Python ${{ matrix.python }}.
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python }}

	- name: Install package.
	run: pip install .[test]

	# Some unit tests are written in Jupyter notebooks. However, PyTest does not parse notebooks.
	# Therefore, we convert the notebooks to scripts and run the tests on the scripts.
	- name: Ensure all tests reflect the latest Jupyter notebooks.
	run: cd tests && python convert_notebooks_to_scripts.py

	- name: Run tests.
	run: cd .. && pytest

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