Harness status: OK

Found 7 tests

7 Pass
Pass	Upgrade in tree order in the same tree scope
Pass	Upgrade in shadow-including tree order across tree scopes
Pass	Upgrade order does not depend on shadow root attach order
Pass	Upgrade in association order across documents, then tree order in each document
Pass	Upgrade order is not affected by DOM order between child frames
Pass	Upgrade order is affected by shadow tree adoption across documents
Pass	Elements in the "owner" window of a scoped registry are not always upgraded first