def assert_single_selected(test, option_name, select_name):
    option_box = find_option(test.browser, select_name, option_name)
    test.assertTrue(option_box.is_selected())
def select_single_item(test, option_name, select_name):
    option_box = find_option(test.browser, select_name, option_name)
    option_box.click()