diff --git a/tests/27_trace_demo.claro b/tests/27_trace_demo.claro
new file mode 100644
index 0000000..668efb4
--- /dev/null
+++ b/tests/27_trace_demo.claro
@@ -0,0 +1,5 @@
+SET x TO 0
+REPEAT
+    SET x TO x + 1
+    SAY x
+UNTIL x >= 3