What does the cryptic crossword clue "In testing situation, misrepresented grand larceny of a kind (4,4)" mean?

The wordplay uses an anagram. anagram of GRAND (synonym="GRAND") + LAB (synonym="a “testing situation”") = LANDGRAB The answer is LANDGRAB.

In testing situation, misrepresented grand larceny of a kind (4,4)

Guardian Cryptic #29584 | 20 Across | 2025-01-06 flower