Simple steps, must dos, and red flags to get you through the dreaded coding test — In this article I’ll tell you how to pass a coding test. I’ve been the interviewer in hundreds or thousands of these, and I know what does and doesn’t work. Firstly, keep calm. The interviewers want to see that 1) you know what you’re doing, 2) you know what to do, and 3) you know how to behave. It doesn’t help you if you are flustered, stressed, or arrogant.