add note about anomstack #61

	name: Unit Tests

	on: [push, pull_request]

	jobs:
	test:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout repository
	uses: actions/checkout@v2

	- name: Set up Python
	uses: actions/setup-python@v2
	with:
	python-version: 3.9

	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install -r requirements.txt

	- name: Run unit tests
	run: \|
	python -m unittest airflow_anomaly_detection/tests/operators/test_bigquery_metric_batch_alert_operator.py

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