Resources possibly tested (5)

I believe the answer is:

means

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

'resources' is the definition.
(means can mean financial resources)

I cannot understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for means that I've seen before include "Income, wealth" , "plans" , "Resources; intends" , "Method - financial resources" , "Vehicle" .)

I've seen this clue in the Evening Standard.

Want a hint initially instead of a full solution? Install my app