added display server for linux instance #4

	name: Python application test

	on: [push, pull_request]

	jobs:
	build:

	runs-on: ubuntu-latest

	strategy:
	matrix:
	python-version: [3.11]

	steps:
	- uses: actions/checkout@v2
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install system dependencies
	run: sudo apt-get update && sudo apt-get install -y libegl1-mesa
	sudo apt-get install -y xvfb
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install pytest
	pip install .
	- name: Test with pytest
	uses: GabrielBB/xvfb-action@v1
	with:
	run: pytest

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