Create npm workspace for E2E tests #13296

	name: Code Linting and JS Tests

	on:
	push:
	branches:
	- develop
	- main
	# Only run if CSS/JS/MD-related files changed.
	paths:
	- '.github/workflows/js-css-lint-test.yml'
	- '**.js'
	- '**.json'
	- '**.scss'
	- '.eslint*'
	- '.nvmrc'
	- '.stylelint*'
	- '**/package.json'
	- 'package-lock.json'
	- '!feature-flags.json'
	- '!composer.json'
	pull_request:
	branches:
	- develop
	- main
	- 'feature/**'
	# Only run if CSS/JS/MD-related files changed.
	paths:
	- '.github/workflows/js-css-lint-test.yml'
	- '**.js'
	- '**.json'
	- '**.scss'
	- '.eslint*'
	- '.nvmrc'
	- '.stylelint*'
	- '**/package.json'
	- 'package-lock.json'
	- '!feature-flags.json'
	- '!composer.json'
	types:
	- opened
	- reopened
	- synchronize

	concurrency:
	group: js-css-lint-test-${{ github.ref }}
	cancel-in-progress: true

	jobs:
	js-css-lint-test:
	name: JS + CSS
	runs-on: ubuntu-latest
	timeout-minutes: 20
	steps:
	- uses: actions/checkout@v4
	- name: Setup Node.js (.nvmrc)
	uses: actions/setup-node@v4
	with:
	node-version-file: '.nvmrc'
	cache: 'npm'

	# nvm@7 is the minimum version required for npm workspace support.
	# This is needed to prevent js lint failures due to module resolution to the workspace packages.
	# This can be removed once our node base version comes with nvm@7 or greater.
	- name: Install npm Globally
	run: npm run install-global-npm

	- name: npm install
	run: npm ci
	env:
	PUPPETEER_SKIP_CHROMIUM_DOWNLOAD: true
	- name: CSS Lint
	run: npm run lint:css
	- name: JS Lint
	run: npm run lint:js
	- name: Jest Tests
	run: npm run test:js

Provide feedback