addressed review comments
diff --git a/tests/test_expr.rs b/tests/test_expr.rs
index 0459da7..587102f 100644
--- a/tests/test_expr.rs
+++ b/tests/test_expr.rs
@@ -37,7 +37,7 @@
 
     let raw = "' test : loop{(1, 5, 9, 11)}";
 
-    let expected = Expr::Loop(block, Some("test".into()));
+    let expected = Expr::Loop(block, Some("'test".into()));
 
     assert_eq!(expected, parse_expr(raw).unwrap());
 }