Fix usage of TEST_ASSERT

Add missing == PSA_SUCCESS in TEST_ASSERT usage
diff --git a/tests/suites/test_suite_psa_crypto.function b/tests/suites/test_suite_psa_crypto.function
index 4721c87..6376e56 100755
--- a/tests/suites/test_suite_psa_crypto.function
+++ b/tests/suites/test_suite_psa_crypto.function
@@ -591,7 +591,7 @@
     unsigned char *output_data2 = NULL;
     size_t output_length2;
     psa_status_t actual_status;
-    uint8_t* nonce = NULL;
+    uint8_t nonce[16];
     size_t nonce_length = 16;
     size_t tag_length = 16;
 
@@ -606,8 +606,7 @@
     {
         nonce_length = 12;
     }
-    nonce = mbedtls_calloc( 1, nonce_length );
-    TEST_ASSERT( nonce != NULL );
+
     for( int i = 0; i < nonce_length; ++nonce_length )
         nonce[i] = i;
 
@@ -620,7 +619,7 @@
                                nonce, nonce_length,
                                additional_data, additional_data_length,
                                input_data, input_size, output_data,
-                               input_size, &output_length ) );
+                               input_size, &output_length ) == PSA_SUCCESS );
 
     output_data2 = mbedtls_calloc( 1, output_length );
     TEST_ASSERT( output_data2 != NULL );
@@ -629,7 +628,7 @@
                             nonce, nonce_length,
                             additional_data, additional_data_length,
                             output_data, output_length - tag_length, output_data2,
-                            output_length, &output_length2 ) );
+                            output_length, &output_length2 ) == PSA_SUCCESS );
     
     TEST_ASSERT( memcmp( input, output_data2,
                              input_size ) == 0 );