A non-terminating assertion for an element on a page.
            Failures will be saved until the process_delayed_asserts()
            method is called from inside a test, likely at the end of it.

def delayed_assert_element(self, selector, by=By.CSS_SELECTOR,
                               timeout=settings.MINI_TIMEOUT):
        """ A non-terminating assertion for an element on a page.
            Failures will be saved until the process_delayed_asserts()
            method is called from inside a test, likely at the end of it. """
        self.__delayed_assert_count += 1
        try:
            url = self.get_current_url()
            if url == self.__last_url_of_delayed_assert:
                timeout = 1
            else:
                self.__last_url_of_delayed_assert = url
        except Exception:
            pass
        try:
            self.wait_for_element_visible(selector, by=by, timeout=timeout)
            return True
        except Exception:
            self.__add_delayed_assert_failure()
            return False