diff --git a/testdata/klayout_main/test12q.py b/testdata/klayout_main/test12q.py
new file mode 100644
index 000000000..6f829f98b
--- /dev/null
+++ b/testdata/klayout_main/test12q.py
@@ -0,0 +1,4 @@
+
+print("Before quit()")
+quit()
+
diff --git a/testdata/klayout_main/test12s.py b/testdata/klayout_main/test12s.py
new file mode 100644
index 000000000..9d007aca5
--- /dev/null
+++ b/testdata/klayout_main/test12s.py
@@ -0,0 +1,6 @@
+
+import sys
+
+print("Before exit()")
+sys.exit(1)
+