Fix free_named_data_list tests

Fix copypasta in test data and fix a switcho in test code.
diff --git a/tests/suites/test_suite_asn1parse.function b/tests/suites/test_suite_asn1parse.function
index f5ecd55..3bfb1c7 100644
--- a/tests/suites/test_suite_asn1parse.function
+++ b/tests/suites/test_suite_asn1parse.function
@@ -547,7 +547,7 @@
     {
         mbedtls_asn1_named_data *new = NULL;
         ASSERT_ALLOC( new, sizeof( mbedtls_asn1_named_data ) );
-        head->next = new;
+        new->next = head;
         head = new;
     }