feat: Model signing unit tests on all runners #37

	name: Run unit tests
	on:
	pull_request:
	branches: [main]
	types: [opened, synchronize]

	permissions: {}

	defaults:
	run:
	# The default shell on Windows is `pwsh`. However, it doesn't expand
	# asterisks. That's why we always use `bash`.
	shell: bash

	jobs:
	model-signing-unit-tests:
	name: Run unit tests for signing
	runs-on: ${{ matrix.os }}
	strategy:
	fail-fast: false # Don't cancel other jobs if one fails
	matrix:
	os: [ubuntu-latest, macos-latest, windows-latest]
	steps:
	- uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
	- uses: actions/setup-python@65d7f2d534ac1bc67fcd62888c5f4f3d2cb2b236 # v4.7.1
	with:
	python-version: 3.11
	cache: pip
	cache-dependency-path: \|
	model_signing/install/requirements.txt
	model_signing/install/requirements.test.txt
	- name: Install dependencies
	run: \|
	set -euo pipefail
	python -m venv venv
	source venv/bin/activate
	python -m pip install --require-hashes -r model_signing/install/requirements.txt
	python -m pip install --require-hashes -r model_signing/install/requirements.test.txt
	- name: Run unit tests
	run: \|
	set -euo pipefail
	source venv/bin/activate
	# NOTE: option --full-trace may be useful for troubleshooting.
	# TODO(#68): Remove the need to create this folder.
	mkdir testdata
	pytest -v .

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