Can the test cases created for one domain be used for another domain? If Yes/No, Why? Also state the testing principal it would be violated in case of Test cases for one domain is being used for another domain.

Test cases created for one domain generally cannot be directly used for another domain. This is because each domain has its own specific requirements, workflows, data structures, user expectations, and business rules. For example, test cases designed for a banking application will focus on transactions, security, and financial accuracy, while a healthcare system would require validation of patient records, compliance, and medical workflows. Reusing the same test cases without adapting them would likely miss critical scenarios or test irrelevant functionality.    Official Website