[9.18] Fix kasp system test bug
Backport of MR !7750 (merged)
This test was succeeding for the wrong reason (policy not found, rather than bad key length).
(cherry picked from commit 106497b0)
Backport of MR !7750 (merged)
This test was succeeding for the wrong reason (policy not found, rather than bad key length).
(cherry picked from commit 106497b0)