diff --git a/plugins/c9.fs/mock/test.browser.js b/plugins/c9.fs/mock/test.browser.js
new file mode 100644
index 00000000..6a2a0e65
--- /dev/null
+++ b/plugins/c9.fs/mock/test.browser.js
@@ -0,0 +1,7 @@
+function onClick() {
+    say("hi");
+}
+
+function say(text) {
+    alert(text);
+}
\ No newline at end of file