eslint-plugin-jest enhances your Jest testing workflow by providing ESLint rules specifically tailored for Jest. It helps ensure best practices in your tests, such as proper assertion usage, avoiding side effects, and maintaining code clarity. This plugin catches common testing errors and encourages writing more maintainable and reliable Jest tests. Using this plugin can significantly improve the quality and readability of your Jest test suites while reducing potential bugs. It's a valuable tool for any project utilizing Jest for testing.