Tests Service Worker (classic) Initial Registration emits Network Events for disllowed redirect
==== INITIAL service worker request ====
Registration Result: FAILURE: SecurityError: Failed to register a ServiceWorker for scope ('http://127.0.0.1:8000/inspector-protocol/fetch/resources/service-workers/') with script ('http://127.0.0.1:8000/inspector-protocol/fetch/resources/service-workers/worker.php?redirect_to=%2Ffoo'): The script has an unsupported MIME type ('text/html').
requestWillBeSent url: http://127.0.0.1:8000/inspector-protocol/fetch/resources/service-workers/worker.php?redirect_to=%2Ffoo
responseReceived status: 200
requestIds match: true