[3.12] gh-130250: fix cleanup in test (impacts refleaks runs) (GH-130329) (#130331)

gh-130250: fix cleanup in test (impacts refleaks runs) (GH-130329)
(cherry picked from commit c718c6be0f82af5eb0e57615ce323242155ff014)

Co-authored-by: Irit Katriel <1055913+iritkatriel@users.noreply.github.com>