pretty #427

	name: Test

	on: [push, pull_request]

	jobs:
	build-and-test:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	node-version: [16.x]

	steps:
	- uses: actions/checkout@v2

	# setup node
	- name: Use Node ${{ matrix.node-version }}
	uses: actions/setup-node@v1
	with:
	node-version: ${{ matrix.node-version }}

	# caching
	- name: Get yarn cache directory path
	id: yarn-cache-dir-path
	run: echo "::set-output name=dir::$(yarn cache dir)"

	- uses: actions/cache@v1
	id: yarn-cache
	with:
	path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
	key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
	restore-keys: \|
	${{ runner.os }}-yarn-

	# install dependencies
	- run: yarn install --frozen-lockfile

	# linting
	- run: yarn lint

	# tests
	- run: yarn test

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