'should be able to perform a drag an element and drop in another element'

def test_drag_and_drop(self):

    droppable = self.browser.find_by_css('.droppable')
    draggable = self.browser.find_by_css('.draggable')
    draggable.drag_and_drop(droppable)
    self.assertEqual(self.browser.find_by_css('.dragged').text, 'yes')
