Same as self.assert_element()
            As above, will raise an exception if nothing can be found.

def assert_element_visible(self, selector, by=By.CSS_SELECTOR,
                               timeout=settings.SMALL_TIMEOUT):
        """ Same as self.assert_element()
            As above, will raise an exception if nothing can be found. """
        if self.timeout_multiplier and timeout == settings.SMALL_TIMEOUT:
            timeout = self.__get_new_timeout(timeout)
        self.assert_element(selector, by=by, timeout=timeout)
        return True