Middle of the Test Pyramid: What exactly are the tests between UI/End-to-End Tests and Unit Tests?

A lot of quality engineers are aware of the Test Pyramid. However, a lot of them only use API testing as the layer above Unit Testing and below UI/End-to-End testing. Larry Ng, the QA Director at realtor.com, will discuss how to fit component, contract, and integration testing in the middle.

Larry Ng has 18 years of experience in a wide variety of industries, including Business Objects, Electronic Arts, DHL, Mattel, Nokia, Boeing, Safeway, Tribal DDB, BCLC, WorksafeBC, BC Hydro, Coast Capital and Lululemon, as well as various startups. He specializes in managing and building test engineering & automation, CI/CD automation, and performance/load testing capability for engineering teams. Larry has solid knowledge and hands-on skills with AWS cloud computing, automated deployment technologies, REST API, Lambda and Kinesis test automation, and data quality test engineering. He is also an extensive Product Owner and has ScrumMaster experience in SCRUM.
Larry is passionate about shipping high quality software, building and mentoring technical test teams, and connecting with the tech community to share experience and knowledge. He has deep experience in transforming engineering teams, from custom-development to product-focused.