reworked str test
diff --git a/test/ikc3/str.out.expected b/test/ikc3/str.out.expected
index 6541d3b..6eae7e0 100644
--- a/test/ikc3/str.out.expected
+++ b/test/ikc3/str.out.expected
@@ -34,7 +34,7 @@
"1 + 2 = #{1 + 2}"
"1 + 2 = 3"
"#{%{a: 1, b: 2}}"
-"%{a: 1, b: 2}"
+"%{a: (U8) 1, b: (U8) 2}"
"#{%KC3.Operator{}}"
"%KC3.Operator{sym: :+, symbol_value: ?, operator_precedence: (U8) 0, operator_associativity: :left}"
"#{%KC3.Operator{sym: :-}}"