Add workflow file to run playwright

.github/workflows/playwright-test.yml

@@ -0,0 +1,32 @@
+name : Playwright E2E Test
+on:
+  pull_request:
+    branches: ['main']
+
+jobs:
+  wait_for_vercel:
+    runs-on: ubuntu-latest
+    outputs:
+      preview_url: ${{ steps.waitForVercelPreviewDeployment.outputs.url }}
+    steps:
+      - name : Waiting for Vercel Preview Deployment to be ready
+        uses : patrickedqvist/[email protected]
+        with :
+          token: ${{ secrets.SECRET_GITHUB_TOKEN }}
+          max_timeout: 600
+  playwright_test:
+    runs-on: ubuntu-latest
+    needs: wait_for_vercel
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Setup Node.js
+        uses: actions/setup-node@v2
+        with:
+          node-version: '18' # 本番環境と同じバージョンを指定
+      - name: Install dependencies
+        run: npm install
+      - name: Run Playwright tests
+        run: npx playwright test
+        env:
+          TEST_URL: ${{ needs.wait_for_vercel.outputs.preview_url }}