we use several types of software development models
Several software development models are used in the software testing process. Some of the most famous models are known as waterfall method, test first development or test driven development method and Extreme Programming (XP) method. The tester, who has various set of software development experiences, has to recall and analyse to his or her know-how to understand the software testing models involved in the process. The testing process can be grouped into different categories. When performing test, at first the testers have to understand the product and plan for the test methods then they have to execute the procedures as per schedule after that they have to report the details.