TLDR
System testing is one of the stages of the whole software system testing lifecycle (STLC), which comprises three others: unit testing, integration testing, and acceptance testing. The main goal of executing this fraction is to checkup functional, as well as non-functional requirements in the system on the whole. Testers detect such defects as the wrong usage of system resources, unexpected combinations at the user level, incompatibility with an environment, unintended scenarios, absence of functionality or its’ incorrect performance and ect.via the TL;DR App
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