diff --git a/code/rust/tests/test_graphs/test_tarjan.rs b/code/rust/tests/test_graphs/test_tarjan.rs
index 44f59e6..916217b 100644
--- a/code/rust/tests/test_graphs/test_tarjan.rs
+++ b/code/rust/tests/test_graphs/test_tarjan.rs
@@ -49,6 +49,7 @@ fn fixture_graph3() -> graph::Graph<i32> {
             (5,8),
             (6,8),
             (7,8),
+            (8,6),
         ],
     );
 }
@@ -60,7 +61,7 @@ fn fixture_graph3() -> graph::Graph<i32> {
 #[rstest]
 #[case(fixture_graph1(), vec![vec![1], vec![3], vec![2,4]])]
 #[case(fixture_graph2(), vec![vec![1], vec![6], vec![7], vec![2,3,4,5]])]
-#[case(fixture_graph3(), vec![vec![8], vec![7], vec![6], vec![3, 5, 4, 2, 1]])]
+#[case(fixture_graph3(), vec![vec![1,2,3,4,5], vec![7], vec![6,8]])]
 fn test_tarjan<T>(#[case] gph: graph::Graph<T>, #[case] expected: Vec<Vec<T>>)
     where T: Eq + Hash + Clone + Display
 {