[animation-timeline-view-functional-notation.tentative.html]
  [animation-timeline: view()]
    expected: FAIL

  [animation-timeline: view(50px)]
    expected: FAIL

  [animation-timeline: view(auto 50px)]
    expected: FAIL

  [animation-timeline: view(inline)]
    expected: FAIL

  [animation-timeline: view(horizontal)]
    expected: FAIL

  [animation-timeline: view(vertical)]
    expected: FAIL

  [animation-timeline: view(horizontal 50px)]
    expected: FAIL

  [animation-timeline: view(), view(inline)]
    expected: FAIL

  [animation-timeline: view(inline) changes to view(inline 50px)]
    expected: FAIL