sees,
// because otherwise the event dispatch code will swallow our exceptions.  And
// we want to make sure this test always happens, even when no mutation events
// run.
var setAttributeNode_mutation_test = async_test("setAttributeNode, if it fires mutation events, should fire one with the new node when resetting an existing attribute");

test(function(){
  var el = document.createElement("div")
  var attrNode1 = document.createAttribute("foo");
  attrNode1.value = "bar";
  el.setAttributeNode(attrNode1);