This is a testharness.js-based test.
[FAIL] Change in scroll-timeline-name to match animation timeline updates animation.
  assert_equals: expected "none" but got "50px"
[FAIL] Change in scroll-timeline-name to no longer match animation timeline updates animation.
  assert_equals: expected "none" but got "75px"
[FAIL] Timeline lookup updates candidate when match becomes available.
  assert_equals: expected "none" but got "50px"
Harness: the test ran to completion.