You have recently been employed as a test manager for a software company producing Human Resource (HR) systems, namely Payroll,

Personnel and Recruitment systems. The company is relatively new and wants to make a major impact in the market by producing a world-class

enterprise HR product. They will work with a panel of potential customers throughout its development. It's important that the development and

test approach are flexible since many changes are expected throughout the development of the new HR software products. A test team has

been set up with persons who have a lot of HR domain knowledge. You have been asked to write a test strategy for the project and have chosen

to implement a flexible and change-related reactive test strategy.

Which of the following would be an essential part of your test approach?