psasim: add AUT for psa_generate_random()

Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
diff --git a/tests/psa-client-server/psasim/src/aut_main.c b/tests/psa-client-server/psasim/src/aut_main.c
index e1012a5..c4940c3 100644
--- a/tests/psa-client-server/psasim/src/aut_main.c
+++ b/tests/psa-client-server/psasim/src/aut_main.c
@@ -22,6 +22,7 @@
 int psa_hash_compute_main(void);
 int psa_hash_main(void);
 int psa_aead_main(char *cipher_name);
+int psa_random_main(void);
 
 #define TEST_MODULE(main_func) \
     do {    \
@@ -48,6 +49,8 @@
     TEST_MODULE(psa_aead_main("aes128-gcm_8"));
     TEST_MODULE(psa_aead_main("chachapoly"));
 
+    TEST_MODULE(psa_random_main());
+
 exit:
     return (ret != 0) ? 1 : 0;
 }