Basic chat to get to know you, why you are interested in being a tutor, and then ask you to explain a question through drawing a diagram, with follow up question.
They'll let you try out a lesson. And they will act as a student to ask you some questions. And make sure you are good at teaching online. Very easy to pass
The interviewer asks you to choose a subject that you are willing to teach and do a short class in front of the person. It's relatively easy and you just need to be correct and clear.