test("Adding open to 'details' should fire a toggle event at the 'details' element"),
  t2 = async_test("Removing open from 'details' should fire a toggle event at the 'details' element"),
  t3 = async_test("Adding open to 'details' (display:none) should fire a toggle event at the 'details' element"),
  t4 = async_test("Adding open from 'details' (no children) should fire a toggle event at the 'details' element"),
  t6 = async_test("Calling open twice on 'details' fires only one toggle event"),
  t7 = async