Each and every project consists of set of modules.After completion of all modules development those are integrated as a system.After that we perform the system testing.Here we are conducting testing on each and every module that is called as unit tesitng.when ever two modules (sometimes call it as unit) are in testing process then we say that multi unit testing is going on for a particular project
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What are the differences between interface and integration testing? Are system specification and functional specification the same? What are the differences between system and functional testing?