'Change the video play speed.
Arguments:
speed (str): Video speed value'

@speed.setter
def speed(self, speed):

    speed_menu_selector = self.get_element_selector(VIDEO_BUTTONS['speed'])
    element_to_hover_over = self.q(css=speed_menu_selector).results[0]
    hover = ActionChains(self.browser).move_to_element(element_to_hover_over)
    hover.perform()
    speed_selector = self.get_element_selector('li[data-speed="{speed}"]    .control'.format(speed=speed))
    self.q(css=speed_selector).first.click()
    self.wait_for_ajax()
