Extract MPI code from `execute_task()` #725

	name: Test Flux Scheduler
	on:
	pull_request: []

	jobs:
	build:
	runs-on: ubuntu-22.04
	permissions:
	packages: read
	strategy:
	fail-fast: false
	matrix:
	container: ['fluxrm/flux-sched:jammy']
	timeout-minutes: 30

	container:
	image: ${{ matrix.container }}
	options: "--platform=linux/amd64 --user root -it --init"

	name: ${{ matrix.container }}
	steps:
	- name: Checkout
	uses: actions/checkout@v3

	- name: Install Dependencies and Parsl
	run: \|
	apt-get update && apt-get install -y python3-pip curl
	pip3 install . -r test-requirements.txt

	- name: Verify Parsl Installation
	run: \|
	pytest parsl/tests/ -k "not cleannet and not unix_filesystem_permissions_required" --config parsl/tests/configs/local_threads.py --random-order --durations 10

	- name: Test Parsl with Flux
	run: \|
	pytest parsl/tests/test_flux.py --config local --random-order

	- name: Test Parsl with Flux Config
	run: \|
	pytest parsl/tests/ -k "not cleannet and not unix_filesystem_permissions_required" --config parsl/tests/configs/flux_local.py --random-order --durations 10

Provide feedback