Prioritize `date_start` when defining WCS and coordinate frame #137

	name: Tests

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

	jobs:
	build:
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	include:
	- python-version: 3.8
	- python-version: 3.9
	- python-version: '3.10'
	steps:
	- name: Checkout
	uses: actions/checkout@v2.3.1
	- name: Python
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install
	run: \|
	pip install -e .[test,docs]
	- name: Test
	run: pytest --remote-data=any
	- name: Build docs
	run: \|
	cd docs
	make html

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