What does the cryptic crossword clue "Loathing test, said to be complicated (8)" mean?

The definition is "Loathing". The wordplay uses an anagram. anagram of TEST, + SAID = DISTASTE; definition: "Loathing" The answer is Distaste.

Loathing test, said to be complicated (8)

Telegraph Prize Cryptic #3010 | 23 Across | 2019-06-30 flower