Add expected size to nonce generation test

Also add unneeded copy-paste in the test descriptions.

Signed-off-by: Paul Elliott <paul.elliott@arm.com>
diff --git a/tests/suites/test_suite_psa_crypto.data b/tests/suites/test_suite_psa_crypto.data
index f55deb0..db94f53 100644
--- a/tests/suites/test_suite_psa_crypto.data
+++ b/tests/suites/test_suite_psa_crypto.data
@@ -2574,25 +2574,25 @@
 depends_on:MBEDTLS_CHACHA20_C
 aead_multipart_decrypt:PSA_KEY_TYPE_CHACHA20:"808182838485868788898a8b8c8d8e8f909192939495969798999a9b9c9d9e9f":PSA_ALG_STREAM_CIPHER:"":"":1:"":1:0:"":PSA_ERROR_INVALID_ARGUMENT
 
-PSA Multipart Nonce Generation, AES - GCM, CAVS 14.0, IV = 12
+PSA Multipart Nonce Generation, AES - GCM, IV = 12
 depends_on:PSA_WANT_ALG_GCM:PSA_WANT_KEY_TYPE_AES
-aead_multipart_generate_nonce:PSA_KEY_TYPE_AES:"aa740abfadcda779220d3b406c5d7ec09a77fe9d94104539":PSA_ALG_AEAD_WITH_SHORTENED_TAG(PSA_ALG_GCM,16):12:"290322092d57479e20f6281e331d95a9":"e7fb0631eebf9bdba87045b33650c4ce":PSA_SUCCESS
+aead_multipart_generate_nonce:PSA_KEY_TYPE_AES:"aa740abfadcda779220d3b406c5d7ec09a77fe9d94104539":PSA_ALG_AEAD_WITH_SHORTENED_TAG(PSA_ALG_GCM,16):12:12:"290322092d57479e20f6281e331d95a9":"e7fb0631eebf9bdba87045b33650c4ce":PSA_SUCCESS
 
-PSA Multipart Nonce Generation, AES - GCM, CAVS 14.0, IV = 0
+PSA Multipart Nonce Generation, AES - GCM, IV = 0
 depends_on:PSA_WANT_ALG_GCM:PSA_WANT_KEY_TYPE_AES
-aead_multipart_generate_nonce:PSA_KEY_TYPE_AES:"aa740abfadcda779220d3b406c5d7ec09a77fe9d94104539":PSA_ALG_AEAD_WITH_SHORTENED_TAG(PSA_ALG_GCM,16):0:"":"":PSA_ERROR_BUFFER_TOO_SMALL
+aead_multipart_generate_nonce:PSA_KEY_TYPE_AES:"aa740abfadcda779220d3b406c5d7ec09a77fe9d94104539":PSA_ALG_AEAD_WITH_SHORTENED_TAG(PSA_ALG_GCM,16):0:0:"":"":PSA_ERROR_BUFFER_TOO_SMALL
 
 PSA Multipart Nonce Generation: ChaCha20 - Poly1305, IV = 12
 depends_on:PSA_WANT_ALG_CHACHA20_POLY1305:PSA_WANT_KEY_TYPE_CHACHA20
-aead_multipart_generate_nonce:PSA_KEY_TYPE_CHACHA20:"808182838485868788898a8b8c8d8e8f909192939495969798999a9b9c9d9e9f":PSA_ALG_CHACHA20_POLY1305:12:"50515253c0c1c2c3c4c5c6c7":"4c616469657320616e642047656e746c656d656e206f662074686520636c617373206f66202739393a204966204920636f756c64206f6666657220796f75206f6e6c79206f6e652074697020666f7220746865206675747572652c2073756e73637265656e20776f756c642062652069742e":PSA_SUCCESS
+aead_multipart_generate_nonce:PSA_KEY_TYPE_CHACHA20:"808182838485868788898a8b8c8d8e8f909192939495969798999a9b9c9d9e9f":PSA_ALG_CHACHA20_POLY1305:12:12:"50515253c0c1c2c3c4c5c6c7":"4c616469657320616e642047656e746c656d656e206f662074686520636c617373206f66202739393a204966204920636f756c64206f6666657220796f75206f6e6c79206f6e652074697020666f7220746865206675747572652c2073756e73637265656e20776f756c642062652069742e":PSA_SUCCESS
 
 PSA Multipart Nonce Generation: ChaCha20 - Poly1305, IV = 8
 depends_on:PSA_WANT_ALG_CHACHA20_POLY1305:PSA_WANT_KEY_TYPE_CHACHA20
-aead_multipart_generate_nonce:PSA_KEY_TYPE_CHACHA20:"808182838485868788898a8b8c8d8e8f909192939495969798999a9b9c9d9e9f":PSA_ALG_CHACHA20_POLY1305:8:"":"":PSA_ERROR_BUFFER_TOO_SMALL
+aead_multipart_generate_nonce:PSA_KEY_TYPE_CHACHA20:"808182838485868788898a8b8c8d8e8f909192939495969798999a9b9c9d9e9f":PSA_ALG_CHACHA20_POLY1305:8:0:"":"":PSA_ERROR_BUFFER_TOO_SMALL
 
 PSA Multipart Nonce Generation: ChaCha20 - Poly1305, IV = 0
 depends_on:PSA_WANT_ALG_CHACHA20_POLY1305:PSA_WANT_KEY_TYPE_CHACHA20
-aead_multipart_generate_nonce:PSA_KEY_TYPE_CHACHA20:"808182838485868788898a8b8c8d8e8f909192939495969798999a9b9c9d9e9f":PSA_ALG_CHACHA20_POLY1305:0:"":"":PSA_ERROR_BUFFER_TOO_SMALL
+aead_multipart_generate_nonce:PSA_KEY_TYPE_CHACHA20:"808182838485868788898a8b8c8d8e8f909192939495969798999a9b9c9d9e9f":PSA_ALG_CHACHA20_POLY1305:0:0:"":"":PSA_ERROR_BUFFER_TOO_SMALL
 
 PSA Multipart State Checks, AES - GCM
 depends_on:PSA_WANT_ALG_GCM:PSA_WANT_KEY_TYPE_AES
diff --git a/tests/suites/test_suite_psa_crypto.function b/tests/suites/test_suite_psa_crypto.function
index 5f36230..b5fe5e7 100644
--- a/tests/suites/test_suite_psa_crypto.function
+++ b/tests/suites/test_suite_psa_crypto.function
@@ -3699,6 +3699,7 @@
 void aead_multipart_generate_nonce( int key_type_arg, data_t *key_data,
                                     int alg_arg,
                                     int nonce_len,
+                                    int expected_generated_len_arg,
                                     data_t *additional_data,
                                     data_t *input_data,
                                     int expected_status_arg )
@@ -3712,6 +3713,7 @@
     psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
     psa_status_t status = PSA_ERROR_GENERIC_ERROR;
     size_t nonce_generated_len = 0;
+    size_t expected_generated_len = expected_generated_len_arg;
     unsigned char *output_data = NULL;
     unsigned char *final_data = NULL;
     size_t output_size = 0;
@@ -3764,6 +3766,8 @@
 
     TEST_ASSERT( status == expected_status_arg );
 
+    TEST_EQUAL( nonce_generated_len, expected_generated_len );
+
     if( expected_status_arg == PSA_SUCCESS )
     {