1 files changed, 5 insertions, 0 deletions
diff --git a/dom/serviceworkers/test/fetch/sandbox/sandbox_test.js b/dom/serviceworkers/test/fetch/sandbox/sandbox_test.js
new file mode 100644
index 0000000000..310cea0d16
--- /dev/null
+++ b/dom/serviceworkers/test/fetch/sandbox/sandbox_test.js
@@ -0,0 +1,5 @@
+self.addEventListener("fetch", function (event) {
+  if (event.request.url.includes("index.html")) {
+    event.respondWith(fetch("intercepted_index.html"));
+  }
+});