tf_fuzz: skip tests that run out of memory during key generation

For more complex keys, key generation can fail with
PSA_ERROR_INSUFFICIENT_MEMORY. When this happens, skip the test instead
of failing it.

Change-Id: I66f50edc8ff204849e2f53a112d40c49e94bb2fd
Signed-off-by: Nik Dewally <Nik.Dewally@arm.com>
1 file changed