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Test automation can improve the development process of software in several cases. The
automation of tests are initially associated with an increased effort, but the related benefits will quickly pay off. Automated tests can run fast and frequently, which is very cost effective for software products with a long shelf life, and, therefore, high maintenance costs. When testing in an agile environment, the ability to quickly react to changing software systems and requirements is necessary. New test cases based on updated features can be added simultaneously to automation in parallel to the development of the software itself. The automation process also leads to a shorter development cycle combined with better quality software, and thus the benefits of automated software testing help quickly outrun the initial costs.

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