diff --git a/docs/testcache-ref.json b/docs/testcache-ref.json
new file mode 100644
index 00000000..867b38cf
--- /dev/null
+++ b/docs/testcache-ref.json
@@ -0,0 +1,3 @@
+{
+    "appref": "0427fada4ed1350625243dcbf3c3c310d0812a03"
+}