Update airflow tests for PyTorch/XLA 2.5 release #2367

	# Run all unit tests in files named as *_test.py
	name: Unit Test

	on:
	pull_request:
	branches: [master]
	types: [opened, synchronize, edited]

	push:
	branches: [master]

	workflow_dispatch: {}

	jobs:
	unit_test:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	with:
	submodules: 'true'

	- uses: actions/setup-python@v4
	with:
	# Note: this should match Cloud Composer
	# https://cloud.google.com/composer/docs/concepts/versioning/composer-versions
	python-version: '3.11'

	- name: Install Python dependencies
	run: pip install -r .github/requirements.txt

	- name: Run tests
	run: python3 -m unittest discover xlml "*_test.py"

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