If you are looking for someone with coding skills, I usually show them one or two code snippet.

A very basic with an expected error. Such as NPE or arry Index out of bounds.. Such questions give chance to candidate to prove that they are hands on. And to an interviewer (in this case me) an opportunity to very quickly understand how someone reads and executes in mind.

While coding is just a part of Quality Engineer role. There are many trivia questions ike you said Chaos engineering and similar