'should provide a way to select an option that is in an optgroup'

def test_can_select_an_option_in_an_optgroup(self):

    self.assertEqual(self.browser.find_by_name('food').value, 'apples')
    self.browser.select('food', 'grapes')
    self.assertEqual(self.browser.find_by_name('food').value, 'grapes')
