diff --git a/cache/test_results/README.md b/cache/test_results/README.md
new file mode 100644
index 0000000..d657fe4
--- /dev/null
+++ b/cache/test_results/README.md
@@ -0,0 +1 @@
+In default, to this directory, test results are stored.
\ No newline at end of file