Testing supplies a value-efficient indicates of detecting defects. These defects can then be eradicated (by debugging – a non-screening exercise), so tests indirectly contributes to higher-excellent exam objects. Testing presents a way of directly assessing the standard of a take a look at object at different stages within the SDLC. https://lever-4-066420.techionblog.com/31148681/detailed-notes-on-lever-4-0