In defining exit criteria for a testing project, which combination of two criteria would be the best to use?

The combination of percentage of test cases executed and defect trend provides a balanced approach to defining exit criteria for a testing project.

The percentage of test cases executed offers a quantitative measure of how much of the planned testing has been completed. It ensures that the testing effort covers the necessary scope and typically reflects the level of preparation for release. This metric helps stakeholders understand whether the team is on track to deliver the product per the established testing schedule and requirements.

On the other hand, the defect trend indicates the quality of the product over time by analyzing the defect density and how defects are being discovered and resolved during the testing process. It offers insights into whether the number of newly found defects is decreasing, which is a positive signal of improving quality. A stable or declining trend in defects can suggest that the product is maturing and is less likely to have severe issues post-release.

By combining these two criteria, you can evaluate both the extent of testing conducted and the quality implications reflected in defect trends, providing a comprehensive view that guides decision-making on whether the product is ready for release.