Jenkins is a popular open-source continuous integration (CI) server that allows developers to build, test, and deploy their code continuously and autonomously. It can be used as a foundation for the entire CI/CD workflow or as a dedicated execution platform for comprehensive test automation. Jenkins is highly customizable and offers an interactive GUI to manage orchestrations, making it compatible with various test frameworks, plugins, and automation tools. It can execute tests, aggregate results, and gather data on failures and bugs. The tool also supports scheduling tests according to time or triggering them based on a condition, such as a successfully completed build. Jenkins is compatible with a wide range of source code and version control management tools, including Git, GitHub, and Azure DevOps Team Foundation. To set up Jenkins for test automation, users need to install the Sauce Labs OnDemand plugin, create credentials, and integrate Git into Jenkins. The tool offers various features such as build steps, post-build actions, and build triggers that enable users to automate their testing and building process. By using Jenkins with Sauce Labs, developers can simplify their CI/CD workflow and improve the reliability of their testing process.