Add pre-merge-test GitHub Actions workflow #4

	name: Python Tests
	on:
	# Trigger the workflow on push or pull request,
	# but only for the main branch
	push:
	branches:
	- master
	- 'releases/**'
	pull_request:
	branches:
	- master
	- 'releases/**'
	merge_group:

	jobs:
	python-test:
	strategy:
	matrix:
	python-version: [3.8]
	test-path:
	- tests/unit_tests
	- tests/test_api.py
	- tests/test_cli.py
	- tests/test_config.py
	- tests/test_global_user_state.py
	- tests/test_jobs.py
	- tests/test_list_accelerators.py
	- tests/test_optimizer_dryruns.py
	- tests/test_optimizer_random_dag.py
	- tests/test_storage.py
	- tests/test_wheels.py
	- tests/test_jobs_and_serve.py
	- tests/test_yaml_parser.py
	runs-on: ubuntu-latest
	steps:
	- name: Checkout repository
	uses: actions/checkout@v3
	- name: Install the latest version of uv
	uses: astral-sh/setup-uv@v4
	with:
	version: "latest"
	python-version: ${{ matrix.python-version }}
	- name: Install dependencies
	run: \|
	uv venv --seed ~/test-env
	source ~/test-env/bin/activate
	uv pip install --prerelease=allow "azure-cli>=2.65.0"
	# Use -e to include examples and tests folder in the path for unit
	# tests to access them.
	uv pip install -e ".[all]"
	uv pip install pytest pytest-xdist pytest-env>=0.6 memory-profiler==0.61.0
	- name: Run tests with pytest
	run: \|
	source ~/test-env/bin/activate
	SKYPILOT_DISABLE_USAGE_COLLECTION=1 SKYPILOT_SKIP_CLOUD_IDENTITY_CHECK=1 pytest -n 0 --dist no ${{ matrix.test-path }}

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