Pin sphinx-rtd-theme to <2 to revert update to pre-release version #167

	name: Mulled Unit Tests
	on:
	push:
	paths-ignore:
	- 'client/**'
	- 'doc/**'
	- 'lib/galaxy_test/selenium/**'
	pull_request:
	paths-ignore:
	- 'client/**'
	- 'doc/**'
	- 'lib/galaxy_test/selenium/**'
	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true
	jobs:
	test:
	name: Test
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	python-version: ['3.7']
	steps:
	- uses: actions/checkout@v3
	with:
	path: 'galaxy root'
	- uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}
	- name: Get full Python version
	id: full-python-version
	shell: bash
	run: echo "version=$(python -c 'import sys; print("-".join(str(v) for v in sys.version_info))')" >> $GITHUB_OUTPUT
	- name: Cache pip dir
	uses: actions/cache@v3
	with:
	path: ~/.cache/pip
	key: pip-cache-${{ matrix.python-version }}-${{ hashFiles('galaxy root/requirements.txt') }}
	- name: Cache tox env
	uses: actions/cache@v3
	with:
	path: .tox
	key: tox-cache-${{ runner.os }}-${{ steps.full-python-version.outputs.version }}-${{ hashFiles('galaxy root/requirements.txt') }}-mulled
	- name: Install Apptainer's singularity
	uses: eWaterCycle/setup-apptainer@v2
	- name: Install tox
	run: pip install tox
	- name: Run tests
	run: tox -e mulled
	working-directory: 'galaxy root'
	- uses: actions/upload-artifact@v3
	if: failure()
	with:
	name: Mulled unit test results (${{ matrix.python-version }})
	path: 'galaxy root/run_unit_tests.html'

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