just attend the tea making trials. Manager then will ask you the availability, and did you find it easy to make the drink. it is a simple interview. No need to worry about it.
Interview questions [1]
Question 1
What is your availability and the date you can start working.
I applied online. I interviewed at Tealith (Exeter, England) in Jan 2024
Interview
Self-introduction in 30 seconds (optional), check for availability would prefer as many as possible to show ur determination work in the shop. Then is the trial shift. During the trial shift you have to demonstrate ur communication, and problem-solving , resilience abilities, and common sense.