Ensure alpha symbol used in plot labels #133

	name: Tests

	on:
	pull_request:
	branches:
	- '*' # all branches
	push:
	branches:
	- '*' # all branches

	workflow_dispatch:

	jobs:
	build:
	strategy:
	fail-fast: false

	matrix:
	python-version: ['3.8', '3.9','3.10']
	os: [ ubuntu-latest,macos-latest,windows-latest ]

	runs-on: ${{matrix.os}}

	steps:
	- uses: actions/checkout@v3

	- uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}

	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install setuptools setuptools_scm wheel
	pip install numpy
	pip install -e .
	pip install -e .[tests]

	- name: Check package versions
	run: \|
	pip show -V pymatgen
	pip show -V pytest

	- name: Test
	run: \|
	pytest tests/test_generator.py # test generator
	pytest --mpl tests/test_plotter.py # test output plots
	# To generate the test plots:
	# pytest --mpl-generate-path=tests/data_gaas/remote_baseline_plots tests/test_plotter.py # generate output plots
	# to run the following image comparison tests and see relative differences, use the CLI
	# pytest --mpl --mpl-generate-summary=html tests/test_plotter.py

	- name: Generate GH Actions test plots
	if: always() # always generate the plots, even if the tests fail
	run: \|
	# Generate the test plots in case there were any failures:
	pytest --mpl-generate-path=tests/remote_baseline_plots tests/test_plotter.py

	# Upload test plots
	- name: Archive test plots
	if: always()
	uses: actions/upload-artifact@v3
	with:
	name: output-plots
	path: tests/remote_baseline_plots

Provide feedback