add test coverage #824

	name: External Tests
	on: [push, pull_request]

	concurrency:
	group: ${{ github.workflow }}-${{ github.head_ref \|\| github.run_id }}
	cancel-in-progress: true

	jobs:
	pyuvsim:
	name: pyuvsim
	runs-on: ubuntu-latest
	defaults:
	run:
	# Adding -l {0} helps ensure conda can be found properly.
	shell: bash -l {0}
	env:
	ENV_NAME: pyuvsim_tests
	PYTHON: "3.10"

	steps:
	- uses: actions/checkout@main
	with:
	fetch-depth: 0

	- name: clone pyuvsim
	run: \|
	cd ../
	git clone https://github.com/RadioAstronomySoftwareGroup/pyuvsim.git
	cd pyradiosky

	- name: Setup Minimamba
	uses: conda-incubator/setup-miniconda@v2
	with:
	miniforge-variant: Mambaforge
	miniforge-version: latest
	use-mamba: true
	python-version: ${{ env.PYTHON }}
	environment-file: ../pyuvsim/ci/${{ env.ENV_NAME }}.yaml
	activate-environment: ${{ env.ENV_NAME }}

	- name: Conda Info
	run: \|
	conda info -a
	conda list
	PYVER=`python -c "import sys; print('{:d}.{:d}'.format(sys.version_info.major, sys.version_info.minor))"`
	if [[ $PYVER != ${{ env.PYTHON }} ]]; then
	exit 1;
	fi

	- name: run pyuvsim tests
	run: \|
	pip install --no-deps .
	cd ../
	cd pyuvsim
	pip install --no-deps .
	mkdir test-reports
	python -m pytest pyuvsim --junitxml=test-reports/xunit.xml

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