cross-feature testing 2

https://page-wiki.win/index.php/The_Critical_Role_of_a_QA_Tester_in_Modern_Web_Development

Cross-feature testing checks how different features of a product interact when used together, catching issues that isolated tests miss. For example, testing if the 'search' and 'filter' functions of an e-commerce site still work smoothly when both are applied at once; it ensures real-world usage of the product holds up.