WindowClient.navigate() to same-origin url in a prerendered iframe

Summary

Harness status: Error

Test named 'WindowClient.navigate() to a same-origin URL on a prerendered iframe should succeed' specified 1 'cleanup' function, and 1 failed.

TypeError: Cannot read properties of undefined (reading 'unregister')
    at https://not-wpt.live/speculation-rules/prerender/windowclient-navigate-to-same-origin-url-on-iframe.https.html:27:36
    at https://not-wpt.live/resources/testharness.js:3023:34
    at forEach (https://not-wpt.live/resources/testharness.js:4659:26)
    at Test.cleanup (https://not-wpt.live/resources/testharness.js:3018:9)
    at Test.done (https://not-wpt.live/resources/testharness.js:2982:14)
    at Test.step (https://not-wpt.live/resources/testharness.js:2649:18)
    at https://not-wpt.live/resources/testharness.js:2685:35

Found 1 tests

1 Fail

Details

Result

Test Name

Message

Fail

WindowClient.navigate() to a same-origin URL on a prerendered iframe should succeed

promise_test: Unhandled rejection with value: object "TypeError: Cannot read properties of undefined (reading 'installing')"

Error
    at get_stack (https://not-wpt.live/resources/testharness.js:4567:21)
    at new AssertionError (https://not-wpt.live/resources/testharness.js:4560:22)
    at assert (https://not-wpt.live/resources/testharness.js:4544:19)
    at Test.<anonymous> (https://not-wpt.live/resources/testharness.js:764:29)
    at Test.step (https://not-wpt.live/resources/testharness.js:2638:25)
    at https://not-wpt.live/resources/testharness.js:2685:35

Asserts run

No asserts ran