add test to github workflow #3

	name: Build and Test

	on:
	merge_group:
	workflow_dispatch:
	pull_request:
	types:
	- opened
	- synchronize
	push:
	branches:
	- master

	permissions:
	contents: read

	concurrency:
	group: ${{ github.workflow }}-${{ github.event.pull_request.number \|\| github.ref }}
	cancel-in-progress: ${{ github.ref != 'refs/heads/master' }}

	jobs:
	build:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	node: [ 12, 14, 16 ]
	name: Node ${{ matrix.node }} Test
	steps:
	- name: Checkout code
	uses: actions/checkout@v4
	with:
	ref: ${{ github.event.pull_request.head.sha \|\| github.ref }}

	- name: Setup Node
	uses: actions/setup-node@v4
	with:
	node-version: ${{ matrix.node }}
	cache: 'npm'

	- name: Install dependencies
	run: npm ci

	- name: Run Mocha unit tests
	run: npm run test

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