diff --git a/src/core/graph/tests.rs b/src/core/graph/tests.rs
index 1beb08e..bbc5b5e 100644
--- a/src/core/graph/tests.rs
+++ b/src/core/graph/tests.rs
@@ -95,6 +95,7 @@ mod tests {
         assert_eq!(rust_result.as_slice(), &[0, 2, 2, 0]);
     }
 
+    #[test]
     fn test_multiple_outputs() {
         let mut ctx = Context::new();