Explore a comprehensive overview of testing tools and complementary technologies in this 30-minute conference talk from Amsterdam JSNation 2019. Dive into the world of Cypress.io open-source end-to-end test runner and discover additional tools that enhance the quality of unit, integration, and end-to-end tests. Learn about crash reporting, code coverage plugins, visual testing challenges and solutions, pull request workflows, and GitHub integration. Gain valuable insights into improving your testing processes and writing better code through the practical experiences shared by the speaker.