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Functional Automation

Using automation tools for functional or system testing can cost less than performing manual test execution. You should consider which tests to automate because there is a cost in creating and maintaining functional test scripts. Acceptance regression tests benefit the most from functional test automation technology.

For functional testing, automation provides the greatest benefit when testing relatively stable functionality. Typically, automating a test case takes approximately five to seven times as long as manually executing it once. Therefore, if a test case is not expected to be run more than seven times, the cost of automating it may not be justified.