%% date:: [[2022-10-25]] %% # [[Assertions in k6]] There are a few ways to do assertions in [[k6 (tool)|k6]]. Below is a discussion of how to adopt a [[Behavior-Driven Development]] approach in k6 using [[k6-chai-js]]. <iframe width="560" height="315" src="https://www.youtube.com/embed/k98Ej3xvTQM" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>