als(style.cssText.indexOf('animation-timeline'), -1);
}, 'The animation-timeline property shows up in CSSStyleDeclaration.cssText');

// https://drafts.csswg.org/scroll-animations-1/#scroll-notation
//
// animation-timeline: scroll(<axis>? <scroller>?);
// <axis> = block | inline | x | y
// <scroller> = root | nearest | self
test_computed_value('animation-timeline', 'scroll()');
test_computed_value('animation-timeline', 'scroll(block)', 'scroll()');
test_computed_value('animation-timeline', 'scroll(inline)'