Automated testing for regulated software ensures consistent validation of requirements, traceability, and reproducibility across development cycles. Test automation reduces manual error, accelerates verification, and provides audit-ready evidence to support compliance with regulatory frameworks and standards. Selecting appropriate testing tools requires evaluation of validation capabilities, reporting, version control integration, and support for risk-based testing strategies. Effective toolchains enable continuous integration, reproducible test environments, and maintainable test artifacts to satisfy auditors, quality teams, and regulatory expectations.