moveBefore should not close a modal dialog

Summary

Harness status: OK

Found 1 tests

1 Fail

Details

Result

Test Name

Message

Fail

when reparenting a modal dialog, the dialog should stay modal

promise_test: Unhandled rejection with value: object "TypeError: document.querySelector(...).moveBefore is not a function"

Error
    at get_stack (https://wpt.live/resources/testharness.js:4571:21)
    at new AssertionError (https://wpt.live/resources/testharness.js:4564:22)
    at assert (https://wpt.live/resources/testharness.js:4548:19)
    at Test.<anonymous> (https://wpt.live/resources/testharness.js:764:29)
    at Test.step (https://wpt.live/resources/testharness.js:2642:25)
    at https://wpt.live/resources/testharness.js:2689:35

Asserts run

No asserts ran