The SVGCursorElement (manual) tests are broken. The cursor should have a large x/y offset, until clicking on it, where it should be gone.
It doesn't have any offset at the moment, seems x/y are not respected anymore on cursors.
Created attachment 63044 [details]
Turns out the tests were just wrong, cursor changes work as expected.
Comment on attachment 63044 [details]
Landed in r64347.