Readd validate inventory and display plan, remove os_images and release_images and set default installer to agent based. #1337

	name: Crucible tests

	on: [push, pull_request]

	jobs:
	run-tests:
	name: Run tests
	runs-on: ubuntu-20.04

	steps:
	- uses: actions/checkout@v3

	- name: Setup Python
	uses: actions/setup-python@v4
	with:
	python-version: 3.9

	- uses: actions/cache@v3
	with:
	path: ${{ env.pythonLocation }}
	key: ${{ env.pythonLocation }}-${{ hashFiles('**/requirements.???') }}

	- name: Install required dependencies
	run: \|
	pip install ansible
	pip install -r requirements.txt
	ansible-galaxy collection install -r requirements.yml

	- name: Run all tests using Ansible
	run: ansible-playbook run_tests.yml
	working-directory: ./tests

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