[transition-001.htm]
  type: testharness
  [parse '1s']
    expected: FAIL

  [parse '1s 2s']
    expected: FAIL

  [parse '1s 2s ease-in']
    expected: FAIL

  [parse '1s ease-in 2s']
    expected: FAIL

  [parse 'ease-in 1s 2s']
    expected: FAIL