Update README.md #1163

	name: Ubuntu unit tests
	on:
	push:
	branches:
	- main
	pull_request:
	types: [opened, synchronize, reopened, ready_for_review]
	branches:
	- '**'

	jobs:

	build-and-test:
	name: unit-ubuntu
	runs-on: ubuntu-latest
	if: github.event.pull_request.draft == false
	strategy:
	matrix:
	# All Python versions except latest, which is tested by coverage.
	python-version: ['3.7', '3.8', '3.9', '3.10']

	steps:
	- uses: actions/checkout@v3

	- name: Configure Python ${{ matrix.python-version }}
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}
	cache: 'pip'
	cache-dependency-path: setup.py

	- name: Install dependencies
	run: \|
	sudo .github/workflows/install-ubuntu-dependencies.sh

	- name: Install Myokit
	run: \|
	python --version
	python -m pip install --upgrade pip setuptools wheel
	python -m pip install .[optional]
	python .github/workflows/select-opencl-device.py

	- name: Show Myokit info
	run: \|
	python -m myokit system
	python -m myokit opencl

	- name: Run unit tests
	run: \|
	python -m myokit test unit

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