Update dependency express to v4.21.2 #8

	name: E2E Test
	on: [push, pull_request]

	jobs:
	e2e-test:
	name: Node.js
	runs-on: ubuntu-latest

	strategy:
	fail-fast: false
	matrix:
	node-version: ["10.x", "12.x", "14.x"]

	steps:
	- name: Checkout https://github.com/${{ github.repository }}@${{ github.ref }}
	uses: actions/checkout@v2
	with:
	persist-credentials: false

	- name: Set up Node.js ${{ matrix.node-version }}
	uses: actions/setup-node@v1
	with:
	node-version: ${{ matrix.node-version }}

	- name: Use cache
	uses: actions/cache@v2
	with:
	path: \|
	~/.npm
	~/.cache
	key: ${{ runner.os }}-node${{ matrix.node-version }}-E2E-${{ hashFiles('package-lock.json') }}

	- name: Install dependencies
	run: \|
	npm ci
	npm run cy:verify

	- name: Start MongoDB
	run: \|
	docker run -d -p 27017:27017 mongo:4.0
	timeout 60s bash -c 'until nc -z -w 2 localhost 27017 && echo MongoDB ready; do sleep 2; done'

	- name: Run E2E test suite
	run: \|
	NODE_ENV=test npm start -- --silent &
	npm run test:ci

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