What is one result of increasing the percentage of automated test cases according to the project achievement?

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Increasing the percentage of automated test cases typically leads to a more efficient testing process, allowing teams to add more tests to their regression suite rather than reducing them. As automated testing allows for rapid execution and easier maintenance, teams can focus on increasing the breadth of their tests, enabling them to cover more functionalities or edge cases without the proportional increase in manual testing effort.

Option C suggests a decreased number of tests in the regression suite, which is counterproductive to the goal of automation. When teams automate tests effectively, the expectation is to enhance test coverage rather than reduce it, as automation can often help in managing and executing a larger suite of tests more efficiently.

Increased regression suite size is more aligned with the benefits of automation, as it empowers the integration of a wider variety of test cases that can be run repeatedly and consistently. Automated tests also improve communication within the team by providing clearer results and reducing misunderstandings about testing coverage. Ultimately, as teams grow more confident in their automated tests, the expectation is that their confidence in overall testing will also increase, leading to improved project outcomes.