diff --git a/examples/tests.modal b/examples/tests.modal
index 68e7c8f..a642d9f 100644
--- a/examples/tests.modal
+++ b/examples/tests.modal
@@ -106,6 +106,12 @@ nap tap (inline 1) test
 
 (undefine-me) = (ghi) (undefinition 2) test
 
+>< (undefine-unknown)
+
+?(* (>< (undefine-me))) *
+
+(undefine-me) = (undefine-me) (undefinition 3) test
+
 ?(?-) (Late Test Primitives)
 
 <> (?x = ?y ?n test) (?(?: ?:) (#fail ?n found: ?x expect: ?y\n))
\ No newline at end of file