[invoketarget-on-input-number.tentative.html]
  [invoking number input with stepup action increments value]
    expected: FAIL

  [invoking number input with stepup action (case-insensitive) increments value]
    expected: FAIL

  [invoking number input with stepdown action decrements value]
    expected: FAIL

  [invoking number input with stepdown action (case-insensitive) decrements value]
    expected: FAIL