[datetime.html]
  type: testharness
  [[date\] stepUp method support on input 'date' element]
    expected: FAIL

  [[date\] stepDown method support on input 'date' element]
    expected: FAIL

  [[time\] stepUp method support on input 'time' element]
    expected: FAIL

  [[time\] stepDown method support on input 'time' element]
    expected: FAIL

  [[datetime\] stepUp method support on input 'datetime' element]
    expected: FAIL

  [[datetime\] stepDown method support on input 'datetime' element]
    expected: FAIL

  [[month\] stepUp method support on input 'month' element]
    expected: FAIL

  [[month\] stepDown method support on input 'month' element]
    expected: FAIL

  [[week\] stepUp method support on input 'week' element]
    expected: FAIL

  [[week\] stepDown method support on input 'week' element]
    expected: FAIL