Show error message if `show_matrix` is called on parametrized diagram. #30

	name: test

	on:
	push:
	branches:
	- 'main'
	pull_request:

	env:
	SRC_DIR: zxlive
	TEST_DIR: test

	jobs:
	test:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: [ 3.9 ]
	env:
	DISPLAY: ':99.0'
	steps:
	- uses: actions/checkout@v3
	- name: Setup Python ${{ matrix.python-version }}
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}
	cache: 'pip'
	- name: Setup QtLibs
	uses: # See https://pytest-qt.readthedocs.io/en/latest/troubleshooting.html#github-actions
	tlambert03/setup-qt-libs@v1
	- name: Setup Ubuntu
	run: # See https://pytest-qt.readthedocs.io/en/latest/troubleshooting.html#github-actions
	/sbin/start-stop-daemon --start --quiet --pidfile /tmp/custom_xvfb_99.pid --make-pidfile --background --exec /usr/bin/Xvfb -- :99 -screen 0 1920x1200x24 -ac +extension GLX
	- name: Install dependencies
	run:
	pip install ".[test]"
	- name: pytest
	run:
	pytest ${{ env.TEST_DIR }}

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