This is a testharness.js-based test.
PASS Bad excludeCredentials: string
PASS Bad excludeCredentials: empty object
FAIL excludeCredentials missing promise_test: Unhandled rejection with value: object "NotSupportedError: The user agent does not implement a password store."
FAIL excludeCredentials empty array promise_test: Unhandled rejection with value: object "NotSupportedError: The user agent does not implement a password store."
FAIL exclude existing credential promise_test: Unhandled rejection with value: object "NotSupportedError: The user agent does not implement a password store."
FAIL exclude random (non-existing) credential promise_test: Unhandled rejection with value: object "NotSupportedError: The user agent does not implement a password store."
Harness: the test ran to completion.