diff --git a/schala-lang/src/parsing/test.rs b/schala-lang/src/parsing/test.rs
index f7c5b91..ac30a0a 100644
--- a/schala-lang/src/parsing/test.rs
+++ b/schala-lang/src/parsing/test.rs
@@ -162,6 +162,7 @@ macro_rules! assert_expr {
     };
 }
 
+/*
 macro_rules! assert_fail_expr {
     ($input:expr, $failure:expr) => {
         let mut parser = Parser::new();
@@ -170,6 +171,17 @@ macro_rules! assert_fail_expr {
         //assert_eq!(err.to_string(), $failure);
     };
 }
+*/
+
+macro_rules! assert_fail_expr {
+    ($input:expr, $failure:expr) => {
+        let mut parser = Parser::new();
+        let _err = parser.expression_comb($input).unwrap_err();
+        //TODO make real tests for failures
+        //assert_eq!(err.to_string(), $failure);
+    };
+}
+
 #[test]
 fn basic_literals() {
     use ExpressionKind::*;