diff --git a/test/sub_dir/test.txt b/test/sub_dir/test.txt
new file mode 100644
index 0000000..7729eaa
--- /dev/null
+++ b/test/sub_dir/test.txt
@@ -0,0 +1,4 @@
+test/sub_dir/test.txt
+test/sub_dir/test.txt
+test/sub_dir/test.txt
+test/sub_dir/test.txt
\ No newline at end of file