Requirement Traceability matrix tells as the test coverage of test case before Going to Next phase of testing or before GO live of the software .In Software Testing Life cycle · First of all Requirement will be gather from the Business. · Second on the basis of requirements test case will be created · Third Test case will be executed on build provided by developer · Fourth defect will be raised for failed test . · Fifth and Final go will be give when all test pass. But still how can we trust on tester ......