add ensure seq, jit sound estimator optimisation, minor fixes #444

	name: unit tests

	on:
	push:
	branches: [ main, refactoring ]
	pull_request:
	branches: [ main, refactoring ]

	jobs:
	build:

	runs-on: ubuntu-latest
	timeout-minutes: 5
	strategy:
	matrix:
	python-version: [ "3.9", "3.10" ]

	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 dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install pytest
	pip install -r requirements.txt
	pip install pytest-cov
	- name: Run flake8 checks
	run: \|
	flake8 gefest test --count --statistics
	- name: Test with pytest
	run: \|
	pytest --cov=GEFEST -s test/

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