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

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

  [invoking number input with step-down action decrements value]
    expected: FAIL

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