Explore effective strategies for testing data pipelines in this informative PyCon US talk. Learn how to ensure smooth data flow and quickly identify and resolve issues in your pipelines. Discover toolkit-agnostic techniques applicable beyond Airflow, including unit testing for individual components, integration testing for the entire pipeline, and end-to-end testing for accurate data output. Gain insights into unique methods such as data snapshot testing and online/offline data quality checks. Access the presentation slides for a comprehensive overview of the testing approaches discussed in this 25-minute talk, aimed at enhancing the reliability and efficiency of your data pipeline processes.