1 files changed, 16 insertions, 0 deletions
diff --git a/toolkit/components/extensions/test/mochitest/webrequest_test.sys.mjs b/toolkit/components/extensions/test/mochitest/webrequest_test.sys.mjs
new file mode 100644
index 0000000000..33554f3023
--- /dev/null
+++ b/toolkit/components/extensions/test/mochitest/webrequest_test.sys.mjs
@@ -0,0 +1,16 @@
+export var webrequest_test = {
+  testFetch(url) {
+    return fetch(url);
+  },
+
+  testXHR(url) {
+    return new Promise(resolve => {
+      let xhr = new XMLHttpRequest();
+      xhr.open("HEAD", url);
+      xhr.onload = () => {
+        resolve();
+      };
+      xhr.send();
+    });
+  },
+};