def test_is_element_not_present_by_css_using_a_custom_wait_time(browser, app_url):
    "should is element not present by css verify if element is not present using a custom wait time"
    browser.visit(app_url)
    assert browser.is_element_not_present_by_css(".async-element", wait_time=12)
should is element not present by css verify if element is not present using a custom wait time
tests/tests_webdriver/test_is_element_present.py