This is a testharness.js-based test.
[FAIL] Changing to/from unresolved timeline [immediate]
  assert_equals: expected "0px" but got "120px"
[FAIL] Changing to/from unresolved timeline [scroll]
  assert_equals: expected "0px" but got "120px"
[FAIL] Switching timelines and pausing at the same time [immediate]
  assert_equals: expected "120px" but got "100px"
[FAIL] Switching timelines and pausing at the same time [scroll]
  assert_equals: expected "120px" but got "100px"
Harness: the test ran to completion.