Learn how to create, debug, and evolve automated tests using natural language processing with Kei, Lambda Test's new AI-powered testing assistant that works with popular frameworks like Selenium, Appium, and Playwright. The platform aims to democratize quality assurance by allowing non-technical users to write tests in plain English, while also offering features like test migration between frameworks, visual-first test creation to reduce flakiness, and AI-powered error classification and root cause analysis to streamline debugging.