This is a testharness.js-based test.
[FAIL] EdDSA Ed448 verification
  promise_test: Unhandled rejection with value: object "NotSupportedError: Failed to execute 'importKey' on 'SubtleCrypto': Algorithm: Unrecognized name"
[FAIL] EdDSA Ed448 verification with altered signature during call
  promise_test: Unhandled rejection with value: object "NotSupportedError: Failed to execute 'importKey' on 'SubtleCrypto': Algorithm: Unrecognized name"
[FAIL] EdDSA Ed448 verification with altered signature after call
  promise_test: Unhandled rejection with value: object "NotSupportedError: Failed to execute 'importKey' on 'SubtleCrypto': Algorithm: Unrecognized name"
[FAIL] EdDSA Ed448 verification with transferred signature during call
  promise_test: Unhandled rejection with value: object "NotSupportedError: Failed to execute 'importKey' on 'SubtleCrypto': Algorithm: Unrecognized name"
[FAIL] EdDSA Ed448 verification with transferred signature after call
  promise_test: Unhandled rejection with value: object "NotSupportedError: Failed to execute 'importKey' on 'SubtleCrypto': Algorithm: Unrecognized name"
[FAIL] EdDSA Ed448 with altered data during call
  promise_test: Unhandled rejection with value: object "NotSupportedError: Failed to execute 'importKey' on 'SubtleCrypto': Algorithm: Unrecognized name"
[FAIL] EdDSA Ed448 with altered data after call
  promise_test: Unhandled rejection with value: object "NotSupportedError: Failed to execute 'importKey' on 'SubtleCrypto': Algorithm: Unrecognized name"
[FAIL] EdDSA Ed448 with transferred data during call
  promise_test: Unhandled rejection with value: object "NotSupportedError: Failed to execute 'importKey' on 'SubtleCrypto': Algorithm: Unrecognized name"
[FAIL] EdDSA Ed448 with transferred data after call
  promise_test: Unhandled rejection with value: object "NotSupportedError: Failed to execute 'importKey' on 'SubtleCrypto': Algorithm: Unrecognized name"
[FAIL] EdDSA Ed448 using privateKey to verify
  promise_test: Unhandled rejection with value: object "NotSupportedError: Failed to execute 'importKey' on 'SubtleCrypto': Algorithm: Unrecognized name"
[FAIL] EdDSA Ed448 using publicKey to sign
  promise_test: Unhandled rejection with value: object "NotSupportedError: Failed to execute 'importKey' on 'SubtleCrypto': Algorithm: Unrecognized name"
[FAIL] EdDSA Ed448 no verify usage
  promise_test: Unhandled rejection with value: object "NotSupportedError: Failed to execute 'importKey' on 'SubtleCrypto': Algorithm: Unrecognized name"
[FAIL] EdDSA Ed448 round trip
  promise_test: Unhandled rejection with value: object "NotSupportedError: Failed to execute 'importKey' on 'SubtleCrypto': Algorithm: Unrecognized name"
[FAIL] EdDSA Ed448 signing with wrong algorithm name
  assert_equals: Should have thrown InvalidAccessError instead of 'Failed to execute 'sign' on 'SubtleCrypto': Algorithm: Unrecognized name' expected "InvalidAccessError" but got "NotSupportedError"
[FAIL] EdDSA Ed448 verifying with wrong algorithm name
  assert_equals: Should have thrown InvalidAccessError instead of 'Failed to execute 'verify' on 'SubtleCrypto': Algorithm: Unrecognized name' expected "InvalidAccessError" but got "NotSupportedError"
[FAIL] EdDSA Ed448 verification failure due to altered signature
  promise_test: Unhandled rejection with value: object "NotSupportedError: Failed to execute 'importKey' on 'SubtleCrypto': Algorithm: Unrecognized name"
[FAIL] EdDSA Ed448 verification failure due to shortened signature
  promise_test: Unhandled rejection with value: object "NotSupportedError: Failed to execute 'importKey' on 'SubtleCrypto': Algorithm: Unrecognized name"
[FAIL] EdDSA Ed448 verification failure due to altered data
  promise_test: Unhandled rejection with value: object "NotSupportedError: Failed to execute 'importKey' on 'SubtleCrypto': Algorithm: Unrecognized name"
[FAIL] Sign and verify using generated Ed448 keys.
  promise_test: Unhandled rejection with value: object "NotSupportedError: Failed to execute 'generateKey' on 'SubtleCrypto': Algorithm: Unrecognized name"
Harness: the test ran to completion.