diff --git a/exercises/tests/tests3.rs b/exercises/tests/tests3.rs
index 693b8aa5..06cf7ea7 100644
--- a/exercises/tests/tests3.rs
+++ b/exercises/tests/tests3.rs
@@ -18,4 +18,9 @@ mod tests {
     fn is_true_when_even() {
         assert!();
     }
+
+    #[test]
+    fn is_false_when_even() {
+        assert!();
+    }
 }