lue('animation-timeline', 'scroll(nearest inline)', 'scroll(inline)');
test_computed_value('animation-timeline', 'scroll(block self)', 'scroll(self)');
test_computed_value('animation-timeline', 'scroll(self block)', 'scroll(self)');
test_computed_value('animation-timeline', 'scroll(y root)', 'scroll(root y)');

// https://drafts.csswg.org/scroll-animations-1/#view-notation
test_computed_value('animation-timeline', 'view()');
test_computed_value('animation-timeline', 'view(block)', 'view()');
test_computed_v