def test_can_choose_a_radio_button(browser, app_url):
    "should provide a way to choose a radio button"
    browser.visit(app_url)
    assert not browser.find_by_id("gender-m").checked
    browser.choose("gender", "M")
    assert browser.find_by_id("gender-m").checked
should provide a way to choose a radio button
tests/test_all_drivers/test_form_elements.py