Restore more test guards

Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
diff --git a/tests/suites/test_suite_psa_crypto.function b/tests/suites/test_suite_psa_crypto.function
index 55e3106..1ad0a4a 100644
--- a/tests/suites/test_suite_psa_crypto.function
+++ b/tests/suites/test_suite_psa_crypto.function
@@ -5916,6 +5916,7 @@
     psa_aead_abort(&operation);
 
     /* Test for setting nonce after calling set lengths with SIZE_MAX ad_data length */
+#if SIZE_MAX > UINT32_MAX
     PSA_ASSERT(psa_aead_encrypt_setup(&operation, key, alg));
 
     if (operation.alg == PSA_ALG_CCM || operation.alg == PSA_ALG_GCM) {
@@ -5931,6 +5932,7 @@
     }
 
     psa_aead_abort(&operation);
+#endif
 
     /* Test for calling set lengths with an ad_data length of UINT32_MAX, after setting nonce */