Tests

add a couple utility functions: #12

	name: Tests

	on: [push, pull_request]

	jobs:
	build:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: [3.7, 3.8, 3.9, '3.10']
	steps:
	# This cancels any such job that is still runnning
	- name: Cancel Previous Runs
	uses: styfle/[email protected]
	with:
	access_token: ${{ github.token }}
	- uses: actions/checkout@v2
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install dependencies
	run: \|
	pip install --upgrade pip
	pip install pytest -U
	pip install navis
	- name: Install dvidtools
	run: pip install -e .
	- name: Test
	env:
	DVID_TEST_SERVER: ${{ secrets.dvid_test_server }}
	DVID_TEST_NODE: ${{ secrets.dvid_test_node }}
	run: \|
	pytest --verbose

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