Test for a learner is more than is needed here (4)

I believe the answer is:

oral

I'm a little stuck... Click here to teach me more about this clue!

'test' is the definition.
(oral is a type of examination)

'for a learner is more than is needed here' is the wordplay.
'ORAL' is hidden within the letters.
But, I'm not sure how the hidden word is indicated.

Can you help me to learn more?

(Other definitions for oral that I've seen before include "By word of mouth (4)" , "language exam" , "Type of exam" , "Like some tradition" , "Unwritten examination" .)

I've seen this clue in The Times.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.