How do you ensure test coverage? – One of the most common interview question. After all, client doesn’t want anything skipped in testing & then face the embarrassment of end-user failure in live application. What’s the basis for the Test coverage? Yeah! Requirements – functional, technical & non-functional – every single requirement needs to be tested. What if by mistake the Test team over-looked one of the requirement & didn’t write test cases for it? How will a Test Manager or Client come to know about it? ‘Requirement Traceability Matrix’!