[selectors] Add tests related to script focus and :focus-visible#27806

Merged

mrego merged 2 commits intoweb-platform-tests:masterfrom mrego:focus-visible-programmatic-focus

Apr 15, 2021

+1,239

Commits on Apr 14, 2021

[selectors] Add tests related to script focus and :focus-visible
mrego
committed

Commits on Apr 15, 2021

[selectors] Mark some script focus and :focus-visible tests as tentative
mrego
committed