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What is Test Parallelization Test parallelization is the process of running tests simultaneously on multiple threads or processes, instead of one after the other. This can significantly reduce the time it takes to run a full test suite. By parallelizing your tests, you can also catch issues faster, allowing you to focus on writing new features. Implementing Test Parallelization with RSpec RSpec provides a number of ways to run tests in parallel. One of the easiest ways to get started with test p...