When giving a demonstration of a web app, there are many chances for things to go wrong. You may be distracted by manual operations and loose what to say next. You may make the audience wait for a long time before showing a target page due to entering required values. To avoid those troubles, this article proposes using the JavaTea test tool as a demonstration tool. JavaTea is an end-to-end test automation tool built on Selenium WebDriver. It is originally…