diff --git a/integration_tests/list_test.ucg b/integration_tests/list_test.ucg
index 15de474..2b3cf62 100644
--- a/integration_tests/list_test.ucg
+++ b/integration_tests/list_test.ucg
@@ -1 +1,11 @@
-let empty_list = [];
\ No newline at end of file
+let empty_list = [];
+
+let concatenated = ["foo"] + ["bar"];
+
+assert |
+    concatenated == ["foo", "bar"];
+|;
+
+assert |
+    concatenated + empty_list == ["foo", "bar"];
+|;
\ No newline at end of file