Add e2e automation

.github/workflows/e2e-tests.yml

@@ -0,0 +1,52 @@
+name: End-to-End Tests
+
+on:
+    pull_request:
+    push:
+        branches:
+            - trunk
+
+# Cancels all previous workflow runs for pull requests that have not completed.
+concurrency:
+    # The concurrency group contains the workflow name and the branch name for pull requests
+    # or the commit hash for any other events.
+    group: ${{ github.workflow }}-${{ github.event_name == 'pull_request' && github.head_ref || github.sha }}
+    cancel-in-progress: true
+
+jobs:
+    e2e-playwright:
+        name: Playwright
+        runs-on: ubuntu-latest
+        if: ${{ github.repository == 'getdave/responsive-navigation-block' || github.event_name == 'pull_request' }}
+        strategy:
+            fail-fast: false
+
+        steps:
+            - uses: actions/checkout@master
+
+            - name: Build # Remove or modify this step as needed
+              run: |
+                  npm install
+                  npm run build
+
+            - name: Install Playwright dependencies
+              run: |
+                  npx playwright install chromium firefox webkit --with-deps
+
+            - name: Install WordPress and start the server
+              run: |
+                  npm run wp-env start
+
+            - name: Run the tests
+              env:
+                  PLAYWRIGHT_SKIP_BROWSER_DOWNLOAD: 1
+              run: |
+                  xvfb-run --auto-servernum --server-args="-screen 0 1280x960x24" -- npm run test:e2e
+
+            - name: Archive debug artifacts (screenshots, traces)
+              uses: actions/upload-artifact@65462800fd760344b1a7b4382951275a0abb4808 # v4.3.3
+              if: ${{ !cancelled() }}
+              with:
+                  name: failures-artifacts
+                  path: artifacts/test-results
+                  if-no-files-found: ignore