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How To Configure Rails Tests with RSpec, FactoryBot and Capybara is a guide on how to set up your environment for using these technologies. RSpec is a Ruby written language for testing Ruby code. FactoryBot allows us to create an object or a collection of objects with predefined sets of values for our tests. Database Cleaner is a tool used to clean the database after tests. It is used to simulate how a user interacts with your web application using Ruby. Database cleaner is useful for situations where tests create a new object in the database that could interfere with other tests.