test(supervisors): fix occasional assertion failures and hangs #4276

	---
	name: Test Suite

	on:
	push:
	branches: ["master"]
	pull_request:
	branches: ["master"]

	jobs:
	tests:
	name: "Python ${{ matrix.python-version }} ${{ matrix.os }}"
	runs-on: "${{ matrix.os }}"
	timeout-minutes: 10
	strategy:
	fail-fast: false
	matrix:
	python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
	os: [windows-latest, ubuntu-latest, macos-latest]
	steps:
	- uses: "actions/checkout@v4"
	- uses: "actions/setup-python@v5"
	with:
	python-version: "${{ matrix.python-version }}"
	- name: "Install dependencies"
	run: "scripts/install"
	shell: bash
	- name: "Run linting checks"
	run: "scripts/check"
	shell: bash
	if: "${{ matrix.os == 'ubuntu-latest'}}"
	- name: "Build package & docs"
	run: "scripts/build"
	shell: bash
	- name: "Run tests"
	run: "scripts/test"
	shell: bash
	- name: "Enforce coverage"
	run: "scripts/coverage"
	shell: bash

	# https://github.com/marketplace/actions/alls-green#why
	check:
	if: always()
	needs: [tests]
	runs-on: ubuntu-latest
	steps:
	- name: Decide whether the needed jobs succeeded or failed
	uses: re-actors/alls-green@release/v1
	with:
	jobs: ${{ toJSON(needs) }}

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