def METHOD_NAME(stylesheet_tester, page):
    """Test setting and clearing the stylesheet."""
    stylesheet_tester.js.load('stylesheet/simple.html')
    stylesheet_tester.init_stylesheet()
    stylesheet_tester.check_set(GREEN_BODY_BG)
    stylesheet_tester.set_css("")
    stylesheet_tester.check_set(DEFAULT_BODY_BG)