CONSOLE ERROR: line 152: Uncaught TypeError: Cannot read property 'unregister' of undefined This is a testharness.js-based test. PASS FAIL CSP test for script-src in ServiceWorkerGlobalScope PASS importScripts test for script-src FAIL Fetch test for script-src assert_unreached: unexpected rejection: assert_unreached: fetch unregister should not fail. Reached unreachable code Reached unreachable code FAIL Redirected fetch test for script-src assert_unreached: unexpected rejection: assert_unreached: Redirected fetch should fail: Failed to get a ServiceWorkerRegistration: The URL protocol of the current origin ('file://') is not fail. Reached unreachable code supported. Reached unreachable code Harness: the test ran to completion.