.assertUndefined(el.data('twoThree'))
      },

      testRemoveAllData: function(t){
        var el = $('<div data-attr-test=val />')

        el.data('one', { foo: 'bar' })
        el.data('two', 'two').data('three', 3)
        el.removeData()

        t.assertEqual('val', el.data('attrTest'))
        t.assertUndefined(el.data('one'))
        t.assertUndefined(el.data('two'))
        t.assertUndefined(el.data('three'))
      },

      testRemoveDataNoop: function(t){
        var empty = $(),
            v