diff --git a/tests/ast/test_ast.py b/tests/ast/test_ast.py
index e3e5d48..d7f9665 100644
--- a/tests/ast/test_ast.py
+++ b/tests/ast/test_ast.py
@@ -81,6 +81,9 @@ def run_check_print_node():
 50 parameter
 51 value
 52 parameter-declaration
+53 address of
+54 deref
+55 ref
 """ == p.stdout