Explicitly set `$EESSI_CPU_FAMILY` in CI that checks missing installations #1210

	# documentation: https://help.github.com/en/articles/workflow-syntax-for-github-actions
	name: Tests
	on: [push, pull_request]
	permissions:
	contents: read # to fetch code (actions/checkout)
	jobs:
	build:
	runs-on: ubuntu-20.04
	strategy:
	matrix:
	python: [3.6, 3.7, 3.8, 3.9, '3.10']
	fail-fast: false
	steps:
	- name: checkout
	uses: actions/checkout@93ea575cb5d8a053eaa0ac8fa3b40d7e05a33cc8 # v3.1.0

	- name: set up Python
	uses: actions/setup-python@13ae5bb136fac2878aff31522b9efb785519f984 # v4.3.0
	with:
	python-version: ${{matrix.python}}
	architecture: x64

	- name: install Python packages
	run: \|
	pip install archspec

	- name: test eessi_software_subdir.py script
	run: \|
	./eessi_software_subdir.py \| tee out
	grep '^x86_64/' out
	egrep '/intel/\|/amd/' out

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