class Foo(unittest.TestCase):

    def setUp(self):
        self.driver = webdriver.Firefox()
    login_page = Foo2(self.driver)

    #testy

    def tearDown(self):
        self.driver.close()

#w klasie strony logowania:
class Foo2():

    def __init__(self, driver):
        self.driver = driver

    #metody dla strony logowania