Test art works, little pieces (7)

I believe the answer is:

tatters

'little pieces' is the definition.

'test art works' is the wordplay.
'works' is an anagram indicator.
'test'+'art'='testart'
'testart' is an anagram of 'TATTERS'.

(Other definitions for tatters that I've seen before include "Rags and torn pieces" , "Torn pieces of cloth" , "Rags, shreds" .)

I've seen this clue in The Times.

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