diff --git a/src/testdir/test12.ok b/src/testdir/test12.ok
new file mode 100644
index 0000000..605623b
--- /dev/null
+++ b/src/testdir/test12.ok
@@ -0,0 +1,10 @@
+first line
+Xtest1.swp
+under Xtest1.swp
+under under
+Xtest1.swp
+under Xtest1.swp
+Xtest3
+under Xtest3
+Xtest3.swp
+under Xtest3.swp