The aim of visual testing is to provide developers with the ability to examine what was happening at the point of software failure by presenting the data in such a way that the developer can easily find the information she or he requires, and the information is expressed clearly.
可视化测试的目的是让开发人员能够检查软件故障点发生了什么，通过呈现数据，开发人员可以很容易地找到他/她所需的信息，而且信息的表达是很清楚的。