Similar to wait_for_link_text_visible(), but returns nothing.
            As above, will raise an exception if nothing can be found.
            Returns True if successful. Default timeout = SMALL_TIMEOUT.

def assert_link_text(self, link_text, timeout=settings.SMALL_TIMEOUT):
        """ Similar to wait_for_link_text_visible(), but returns nothing.
            As above, will raise an exception if nothing can be found.
            Returns True if successful. Default timeout = SMALL_TIMEOUT. """
        if self.timeout_multiplier and timeout == settings.SMALL_TIMEOUT:
            timeout = self.__get_new_timeout(timeout)
        self.wait_for_link_text_visible(link_text, timeout=timeout)
        if self.demo_mode:
            messenger_post = ("ASSERT LINK TEXT {%s}." % link_text)
            self.__highlight_with_assert_success(
                messenger_post, link_text, by=By.LINK_TEXT)
        return True