test: lock semantic and no-script portfolio behavior

playwright.config.ts

@@ -2,6 +2,10 @@ import { defineConfig, devices } from '@playwright/test';
 
 export default defineConfig({
   testDir: './tests/browser',
+  workers: 4,
+  use: {
+    serviceWorkers: 'block',
+  },
   projects: [
     { name: 'desktop-chromium', use: { ...devices['Desktop Chrome'] } },
     { name: 'mobile-chromium', use: { ...devices['Pixel 5'] } },