This is a testharness.js-based test.
PASS fetch
PASS fetch same-origin + no-cors + credentials:omit
PASS fetch same-origin + cors + credentials:omit
PASS fetch cross-origin + no-cors + credentials:omit
PASS fetch cross-origin + cors + credentials:omit
PASS fetch same-origin + no-cors + credentials:include
PASS fetch same-origin + cors + credentials:include
PASS fetch same-origin + no-cors + credentials:same-origin
PASS fetch same-origin + cors + credentials:same-origin
PASS fetch cross-origin + cors + credentials:include
PASS fetch cross-origin + cors + same-origin-credentials
FAIL fetch cross-origin + no-cors + credentials:include assert_equals: coep:credentialless =>  expected (undefined) undefined but got (string) "cross_origin"
PASS fetch cross-origin + no-cors + credentials:same-origin
Harness: the test ran to completion.