'Check if a video button specified by `button_id` is visible.
Arguments:
button_id (str): key in VIDEO_BUTTONS dictionary, its value will give us the css selector for button.
Returns:
bool: Tells about a buttons visibility.'

def is_button_shown(self, button_id):

    selector = self.get_element_selector(VIDEO_BUTTONS[button_id])
    return self.q(css=selector).visible
