This is a testharness.js-based test.
FAIL Registering normal pattern assert_unreached: Registration should succeed, but failed: NotSupportedError Reached unreachable code
PASS Registering scope outside domain 
PASS Registering script outside domain 
FAIL Registering non-existent script assert_equals: Registration of non-existent script should fail. expected "AbortError" but got "NotSupportedError"
Harness: the test ran to completion.