Added playwright for visual regression test #15

	name: Testing for visual regression on old theme

	# Run the workflow when code is pushed or when a pull request is created
	on:
	push:
	branches:
	- '**'
	pull_request:
	branches:
	- main

	jobs:
	playwright:
	name: Run Playwright
	runs-on: ubuntu-latest
	steps:
	# Checkout the repository so the workflow has access to the code
	- name: Checkout code
	uses: actions/checkout@v3
	- name: Install dependencies
	run: cd tests && npm ci
	- name: Setup Hugo
	uses: peaceiris/actions-hugo@75d2e84710de30f6ff7268e08f310b60ef14033f # v3.0.0
	with:
	hugo-version: "0.134.2"
	extended: true
	- name: Install Playwright browsers
	run: npx playwright install --with-deps
	- name: Run Playwright tests
	id: test-visual
	run: make tests
	- uses: actions/upload-artifact@v4
	if: ${{ !cancelled() && failure() && steps.test-visual.conclusion == 'failure' }}
	with:
	name: playwright-report
	path: tests/playwright-report/
	retention-days: 3
	- uses: actions/upload-artifact@v4
	if: ${{ !cancelled() && failure() && steps.test-visual.conclusion == 'failure' }}
	with:
	name: test-results
	path: tests/test-results/
	retention-days: 3
	- name: Update the screenshots based on Ubuntu env on GH
	id: test-visual-update
	if: ${{ failure() && steps.test-visual.conclusion == 'failure' }}
	run: make tests-update-screenshots
	- name: Upload updated Playwright screenshots
	uses: actions/upload-artifact@v4
	if: ${{ failure() && steps.test-visual-update.conclusion == 'success' }}
	with:
	name: playwright-screenshots-updated
	path: tests/src/__screenshots__/*/.png
	retention-days: 3

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