CONSOLE MESSAGE: Origin http://127.0.0.1:8000 is not allowed by Access-Control-Allow-Origin.
CONSOLE MESSAGE: Fetch API cannot load http://localhost:8080/resources/square100.png.fromserviceworker due to access control checks.
CONSOLE MESSAGE: Response served by service worker is an error


PASS Testing unintercepted fetch with preflight, fetch should fail 
PASS Registering service worker and controlled frame 
PASS Testing intercepted fetch with preflight, fetch should succeed 
PASS Testing intercepted fetch with preflight, fetch should fail