add explanation what the effective livetime is #96

	# SPDX-FileCopyrightText: © 2022 the SimWeights contributors
	#
	# SPDX-License-Identifier: BSD-2-Clause

	name: Tests
	on: [push, pull_request]
	jobs:
	Tests:
	runs-on: ${{ matrix.os }}
	strategy:
	fail-fast: false
	matrix:
	python-version: ["3.8", "3.9", "3.10", "3.11"]
	os: [ubuntu-22.04]
	include:
	- python-version: 3.11
	os: macos-12
	steps:
	- uses: actions/checkout@v3
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}
	cache: pip
	cache-dependency-path: pyproject.toml
	- name: Install SimWeights
	run: \|
	python3 -m pip install --upgrade pip
	python3 -m pip install flit
	python3 -m flit install --symlink --deps=production --extras=test
	- name: Download Test Data
	run: curl -u icecube:${{secrets.ICECUBE_PASSWORD}} https://convey.icecube.wisc.edu/data/user/kmeagher/simweights_testdata.tar.gz \| tar xz
	- name: Run Tests
	env:
	SIMWEIGHTS_TESTDATA: .
	run: python3 -m pytest --cov-report=xml
	- name: Upload Coverage to Codecov
	if: ${{ !github.event.act }}
	uses: codecov/codecov-action@v3
	with:
	fail_ci_if_error: false
	verbose: true

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