[checkbox.html]
  type: testharness
  [click on mutable checkbox fires the input and change events]
    expected: FAIL

  [click on non-mutable checkbox doesn\'t fire the input or change event]
    expected: FAIL

  [pre-activation steps on unchecked checkbox]
    expected: FAIL

  [pre-activation steps on checked checkbox]
    expected: FAIL

  [canceled activation steps on unchecked checkbox]
    expected: FAIL

  [canceled activation steps on unchecked checkbox (indeterminate=true in onclick)]
    expected: FAIL