CI: try to properly propagate the exit code from Docker container #106

	name: Python package tests

	on: [push]

	jobs:
	build:

	runs-on: ubuntu-20.04
	strategy:
	matrix:
	container-name:
	- centos/python-27-centos7
	- centos/python-38-centos7
	container:
	image: ${{ matrix.container-name }}
	options: --user --exit-code-from root

	steps:
	- name: Update Git on Container
	run: \|
	yum install -y https://repo.ius.io/ius-release-el7.rpm https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
	yum upgrade -y git

	- uses: actions/checkout@v2

	- name: Install dependencies
	run: \|
	rpm -ivh ${{ secrets.FILESERVER_URL }}/centos/7.9.2009/exabyte/x86_64/Packages/torque-6.0.0.1-1.adaptive.el7.centos.x86_64.rpm
	rpm -ivh ${{ secrets.FILESERVER_URL }}/centos/7.9.2009/exabyte/x86_64/Packages/torque-devel-6.0.0.1-1.adaptive.el7.centos.x86_64.rpm
	bash -c 'python -m pip install pip==20.3.4 # Install a version of pip which understands python_requires, to support py 2'
	bash -c 'python -m pip install --upgrade pip'
	bash -c 'python -m pip install --upgrade setuptools wheel'
	bash -c 'pip install -r requirements-dev.txt --no-deps --no-build-isolation'

	- name: Unit tests
	run: \|
	bash -c 'python -m unittest discover --verbose --catch --start-directory tests/unit'

Provide feedback