def test_delete_attribute(self):
        tag = 'Root'
        value = '   Value   '
        anAttr = 'elValue'
        node = Node(tag, value=value, anAttr=anAttr)
        self.assertIn('anAttr', node.attributes)
        node.delAttribute('anAttr')
        self.assertNotIn('anAttr', node.attributes)