This test fails (sometimes) in WebKit and Firefox because it depends on scrollbar width.
Created attachment 438240 [details] Patch
This patch modifies the imported WPT tests. Please ensure that any changes on the tests (not coming from a WPT import) are exported to WPT. Please see https://trac.webkit.org/wiki/WPTExportProcess
Committed r282457 (241709@main): <https://commits.webkit.org/241709@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 438240 [details].
<rdar://problem/83153362>
*** Bug 230044 has been marked as a duplicate of this bug. ***