fix (image block): allow empty alt tag #3643

	name: Unit Tests / JS
	on:
	push:
	branches: [ master, develop ]
	pull_request:
	branches: [ master, develop ]

	jobs:
	build:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	node-version: [14.x]
	# See supported Node.js release schedule at https://nodejs.org/en/about/releases/

	steps:
	- uses: actions/checkout@v2
	- name: Install Composer Dependencies
	run: \|
	composer install --prefer-dist --no-progress --ignore-platform-reqs

	- name: Cache node modules
	uses: actions/cache@v2
	env:
	cache-name: cache-node-modules
	with:
	path: ~/.npm
	key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles('**/package-lock.json') }}
	restore-keys: \|
	${{ runner.os }}-build-${{ env.cache-name }}-
	${{ runner.os }}-build-
	${{ runner.os }}-
	- name: Use Node.js ${{ matrix.node-version }}
	uses: actions/setup-node@v1
	with:
	node-version: ${{ matrix.node-version }}

	- name: Install NPM Dependencies
	run: \|
	npm ci

	- name: Run Test Suite
	run: \|
	npm test -- --watchAll=false

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