This is a testharness.js-based test.
FAIL passing credentials.create() with default arguments promise_test: Unhandled rejection with value: object "NotSupportedError: The user agent does not implement a password store."
FAIL passing credentials.create() with rpId (host and port) promise_test: Unhandled rejection with value: object "SecurityError: The relying party ID 'web-platform.test:8444' is not a registrable domain suffix of, nor equal to 'https://web-platform.test:8444'."
FAIL passing credentials.create() with rpId (hostname) promise_test: Unhandled rejection with value: object "NotSupportedError: The user agent does not implement a password store."
FAIL passing credentials.create() without rp.icon promise_test: Unhandled rejection with value: object "NotSupportedError: The user agent does not implement a password store."
FAIL very short user id promise_test: Unhandled rejection with value: object "NotSupportedError: The user agent does not implement a password store."
FAIL max length user id promise_test: Unhandled rejection with value: object "NotSupportedError: The user agent does not implement a password store."
FAIL Uint8Array user id promise_test: Unhandled rejection with value: object "NotSupportedError: The user agent does not implement a password store."
FAIL Int8Array user id promise_test: Unhandled rejection with value: object "NotSupportedError: The user agent does not implement a password store."
FAIL Int16Array user id promise_test: Unhandled rejection with value: object "NotSupportedError: The user agent does not implement a password store."
FAIL Int32Array user id promise_test: Unhandled rejection with value: object "NotSupportedError: The user agent does not implement a password store."
FAIL Float32Array user id promise_test: Unhandled rejection with value: object "NotSupportedError: The user agent does not implement a password store."
FAIL DataView user id promise_test: Unhandled rejection with value: object "NotSupportedError: The user agent does not implement a password store."
FAIL passing credentials.create() without user.icon promise_test: Unhandled rejection with value: object "NotSupportedError: The user agent does not implement a password store."
FAIL Int16Array challenge promise_test: Unhandled rejection with value: object "NotSupportedError: The user agent does not implement a password store."
FAIL Int32Array challenge promise_test: Unhandled rejection with value: object "NotSupportedError: The user agent does not implement a password store."
FAIL Float32Array challenge promise_test: Unhandled rejection with value: object "NotSupportedError: The user agent does not implement a password store."
FAIL Float64Array challenge promise_test: Unhandled rejection with value: object "NotSupportedError: The user agent does not implement a password store."
FAIL DataView challenge promise_test: Unhandled rejection with value: object "NotSupportedError: The user agent does not implement a password store."
FAIL Absurdly large challenge promise_test: Unhandled rejection with value: object "NotSupportedError: The user agent does not implement a password store."
FAIL Bad pubKeyCredParams: pubKeyCredParams is empty Array promise_test: Unhandled rejection with value: object "NotSupportedError: Required parameters missing in `options.publicKey`."
FAIL EC256 pubKeyCredParams promise_test: Unhandled rejection with value: object "NotSupportedError: The user agent does not implement a password store."
FAIL SelectEC256 pubKeyCredParams from a list promise_test: Unhandled rejection with value: object "NotSupportedError: The user agent does not implement a password store."
FAIL passing credentials.create() with no timeout promise_test: Unhandled rejection with value: object "NotSupportedError: The user agent does not implement a password store."
FAIL authenticatorSelection is undefined promise_test: Unhandled rejection with value: object "NotSupportedError: The user agent does not implement a password store."
FAIL authenticatorSelection is empty object promise_test: Unhandled rejection with value: object "NotSupportedError: The user agent does not implement a password store."
FAIL authenticatorSelection default values promise_test: Unhandled rejection with value: object "NotSupportedError: The user agent does not implement a password store."
FAIL authenticatorSelection attachment undefined promise_test: Unhandled rejection with value: object "NotSupportedError: The user agent does not implement a password store."
FAIL authenticatorSelection residentKey undefined promise_test: Unhandled rejection with value: object "NotSupportedError: The user agent does not implement a password store."
FAIL authenticatorSelection residentKey false promise_test: Unhandled rejection with value: object "NotSupportedError: The user agent does not implement a password store."
FAIL authenticatorSelection userVerification undefined promise_test: Unhandled rejection with value: object "NotSupportedError: The user agent does not implement a password store."
FAIL authenticatorSelection userVerification discouraged promise_test: Unhandled rejection with value: object "NotSupportedError: The user agent does not implement a password store."
FAIL attestation parameter: attestation is "none" promise_test: Unhandled rejection with value: object "NotSupportedError: The user agent does not implement a password store."
FAIL attestation parameter: attestation is "indirect" promise_test: Unhandled rejection with value: object "NotSupportedError: The user agent does not implement a password store."
FAIL attestation parameter: attestation is "direct" promise_test: Unhandled rejection with value: object "NotSupportedError: The user agent does not implement a password store."
FAIL attestation parameter: attestation is undefined promise_test: Unhandled rejection with value: object "NotSupportedError: The user agent does not implement a password store."
FAIL extensions undefined promise_test: Unhandled rejection with value: object "NotSupportedError: The user agent does not implement a password store."
FAIL extensions are empty object promise_test: Unhandled rejection with value: object "NotSupportedError: The user agent does not implement a password store."
FAIL extensions are dict of empty strings promise_test: Unhandled rejection with value: object "NotSupportedError: The user agent does not implement a password store."
Harness: the test ran to completion.