 should be intact. (toggleAttribute)")

// Step 5
test(function() {
  var el = document.createElement("foo")
  el.toggleAttribute("a")
  el.toggleAttribute("b")
  el.setAttribute("a", "thing")
  el.toggleAttribute("c")
  attributes_are(el, [["a", "thing"],
                      ["b", ""],
                      ["c", ""]])
}, "toggleAttribute should not change the order of previously set attributes.")
test(function() {
  var el = document.createElement("baz")
  el.setAttributeNS("ab", "attr", "fail")
  el.se