[view-timeline-lookup.html]
  [view-timeline on self]
    expected:
      if (os == "mac") and not debug: [PASS, FAIL]

  [view-timeline on ancestor]
    expected:
      if (os == "mac") and not debug: [PASS, FAIL]

  [timeline-scope on ancestor sibling, conflict remains unresolved]
    expected: FAIL

  [timeline-scope on ancestor sibling, closer timeline wins]
    expected: FAIL