Add abstract classes, remove empty conftest.py #112

	name: Test Async API

	on:
	push:
	branches: [master]
	paths: ["async_api/**"]
	pull_request:
	paths: ["async_api/**"]

	jobs:
	lint:
	runs-on: ubuntu-latest
	steps:

	- name: Check out repository
	uses: actions/checkout@v4

	- name: Set up Python
	id: setup-python
	uses: actions/setup-python@v4
	with:
	python-version: "3.12"

	- name: Install Poetry
	uses: snok/install-poetry@v1
	with:
	virtualenvs-create: true
	virtualenvs-in-project: true
	installer-parallel: true

	- name: Load cache
	id: cached-poetry-dependencies
	uses: actions/cache@v3
	with:
	path: .venv
	key: venv-async-api-${{ runner.os }}-${{ steps.setup-python.outputs.python-version }}-${{ hashFiles('async_api/poetry.lock') }}

	- name: Install dependencies if cache does not exist
	if: steps.cached-poetry-dependencies.outputs.cache-hit != 'true'
	run: poetry install --no-interaction --no-root
	working-directory: async_api

	- name: Run linters
	run: make lint
	working-directory: async_api

	test:
	runs-on: ubuntu-latest
	steps:

	- name: Check out repository
	uses: actions/checkout@v4

	- name: Run tests
	run: docker compose -f docker-compose.ci.yml up --build --exit-code-from test-runner
	working-directory: async_api/tests/functional

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