[PATCH] test/crypto: fix missing return checks

[Akhil Goyal]

> The API could return errors. Add error checking for the same.
> 
> Fixes: b3bbd9e5f265 ("cryptodev: support device independent sessions")
> Cc: slawomirx.mrozowicz at intel.com
> 
> Signed-off-by: Anoob Joseph <anoobj at marvell.com>
Acked-by: Akhil Goyal <gakhil at marvell.com>

Applied to dpdk-next-crypto

Thanks.