TST: added unit tests for `define_pole_quadrants` #337

	# This workflow will run doc tests for a single Python version. For more
	# information see:
	# https://help.github.com/actions/language-and-framework-guides/
	# using-python-with-github-actions


	name: Documentation Check

	on: [push, pull_request]

	jobs:
	build:

	runs-on: ["ubuntu-latest"]
	strategy:
	fail-fast: false
	matrix:
	python-version: ["3.11"]

	name: Documentation tests
	steps:
	- uses: actions/checkout@v4
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python-version }}

	- name: Set CDF Lib environment variable
	run: echo "CDF_LIB=$HOME/lib" >> $GITHUB_ENV

	- name: Install dependencies
	run: \|
	pip install .[doc]
	bash requirements.extra 2

	- name: Check documentation build
	run: sphinx-build -E -b html docs dist/docs

	- name: Check documentation links
	run: sphinx-build -b linkcheck docs dist/docs

	- name: Load .zenodo.json to check for errors
	run: python -c "import json; json.loads(open('.zenodo.json').read())"

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