Add Multipart Hash Compare fail tests

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
diff --git a/tests/suites/test_suite_psa_crypto.function b/tests/suites/test_suite_psa_crypto.function
index 79235d7..c3bd487 100644
--- a/tests/suites/test_suite_psa_crypto.function
+++ b/tests/suites/test_suite_psa_crypto.function
@@ -1904,15 +1904,39 @@
 {
     psa_algorithm_t alg = alg_arg;
     psa_status_t expected_status = expected_status_arg;
+    psa_hash_operation_t operation = PSA_HASH_OPERATION_INIT;
     psa_status_t status;
 
     PSA_ASSERT( psa_crypto_init( ) );
 
+    /* Hash Compare, one-shot */
     status = psa_hash_compare( alg, input->x, input->len,
                                reference_hash->x, reference_hash->len );
     TEST_EQUAL( status, expected_status );
 
+    /* Hash Compare, multi-part */
+    status = psa_hash_setup( &operation, alg );
+    if( status == PSA_SUCCESS )
+    {
+        status = psa_hash_update( &operation, input->x, input->len );
+        if( status == PSA_SUCCESS )
+        {
+            status = psa_hash_verify( &operation, reference_hash->x,
+                                      reference_hash->len );
+            TEST_EQUAL( status, expected_status );
+        }
+        else
+        {
+            TEST_EQUAL( status, expected_status );
+        }
+    }
+    else
+    {
+        TEST_EQUAL( status, expected_status );
+    }
+
 exit:
+    PSA_ASSERT( psa_hash_abort( &operation ) );
     PSA_DONE( );
 }
 /* END_CASE */