revert struct filter to being limited by a finite approved set #100

	name: Unit tests

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

	jobs:
	build:
	runs-on: ubuntu-latest

	steps:
	- name: Set up Python
	uses: actions/setup-python@v2
	with:
	python-version: '3.10'

	- name: Check out code
	uses: actions/checkout@v2

	- name: Upgrade pip
	run: python -m pip install --upgrade pip

	- name: Install poetry
	run: pip install poetry==1.7.1

	- name: Install dependencies
	run: poetry install --no-root

	- name: Run unit tests
	run: PYTHONPATH=. poetry run pytest test/

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