Setting setting offscreen default & enable running of example on headless server #3

	name: test examples

	on:
	pull_request:
	branches: ["main"]

	jobs:
	test_examples:
	runs-on: ubuntu-latest

	steps:
	- name: checkout code
	uses: actions/checkout@v4
	- name: enable headless render
	run: \|
	sudo apt-get update
	sudo apt-get install -y libgl1-mesa-glx libgl1-mesa-dev xvfb
	set -x
	export DISPLAY=:99.0
	Xvfb :99 -screen 0 1024x768x24 > /dev/null 2>&1 &
	set +x
	exec "$@"
	- name: Set up python 3.10
	uses: actions/setup-python@v3
	with:
	python-version: "3.10"

	- name: install gustaf
	run: \|
	pip install .[dev]
	- name: run examples
	run: \|
	cd examples
	python3 run_all_examples.py

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