fix fs async test #57

	name: Build trzsz.js and run test
	on:
	push:
	paths-ignore:
	- 'README.md'
	- 'examples/**'
	jobs:
	build:
	name: Build trzsz.js
	runs-on: ubuntu-latest
	steps:
	- name: Checkout trzsz.js
	uses: actions/checkout@v2
	- name: Set up Node.js
	uses: actions/setup-node@v2
	with:
	node-version: '16'
	- name: Install Node.js Dependencies
	run: npm install
	- name: Run build
	run: npm run build
	test:
	name: Test trzsz.js
	runs-on: ubuntu-latest
	steps:
	- name: Checkout trzsz.js
	uses: actions/checkout@v2
	- name: Set up Node.js
	uses: actions/setup-node@v2
	with:
	node-version: '16'
	- name: Install Node.js Dependencies
	run: npm install
	- name: Run test
	run: npm test

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