olemus
ISO/IEC/IEEE 29119:
testimine, mis sooritatakse kontrollimiseks, kas mingi defekti kõrvaldamiseks on selle defekti edukalt jõrvaldanud
= testing performed to check that modifications made to correct a fault have successfully removed the fault

ISO/IEC/IEEE 24765:
negatiivseid tulemusi andnud testimismallide kordamine parandusmeetmete toimivuse hindamiseks
= re-execution of test cases that previously returned a "fail" result, to evaluate the effectiveness of intervening corrective actions