Description: Functional Dependency Testing is a critical approach in the field of software testing, designed to evaluate and validate the interrelationships between different functionalities within an application. These tests focus on identifying how one function may depend on another, ensuring that changes in one part of the system do not negatively affect others. This type of testing is essential for maintaining software integrity, especially in complex systems where multiple modules interact with each other. By conducting functional dependency tests, development teams can detect errors that may arise from unexpected interactions, contributing to greater stability and reliability of the final product. Additionally, these tests help optimize the development process by allowing teams to identify critical areas that require special attention, thus facilitating better planning and risk management. In summary, Functional Dependency Testing is an indispensable tool for ensuring that the functionalities of software operate coherently and efficiently, providing a smooth and uninterrupted user experience.