[constructor-submitter.html]
  [FormData construction should throw a TypeError if a non-null submitter is not a submit button]
    expected: FAIL

  [FormData construction should throw a 'NotFoundError' DOMException if a non-null submitter is not owned by the form]
    expected: FAIL

  [The constructed FormData object should contain an in-tree-order entry for a named submit button submitter]
    expected: FAIL

  [The constructed FormData object should contain in-tree-order entries for an activated Image Button submitter]
    expected: FAIL

  [The constructed FormData object should contain in-tree-order entries for an unactivated Image Button submitter]
    expected: FAIL