Be pleased with a positive test (7)

I believe the answer is:

approve

'be pleased with' is the definition.

'a positive test' is the wordplay.
'positive' becomes 'p'.
'test' becomes 'prove' ('prove' can be a synonym of 'test'**).
'a'+'p'+'prove'='APPROVE'

(Other definitions for approve that I've seen before include "Authorize" , "Give the nod to, sanction" , "Pass" , "Pronounce (something) satisfactory" , "Consider right" .)

I've seen this clue in The Telegraph.

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