diff --git a/test/uploader_spec.js b/test/uploader_spec.js
index 27b7117d..1943ae7a 100644
--- a/test/uploader_spec.js
+++ b/test/uploader_spec.js
@@ -114,31 +114,24 @@ describe("uploader", function () {
   });
 
   describe("remote urls ", function () {
-    var writeSpy;
-    writeSpy = void 0;
-    beforeEach(function () {
-      writeSpy = sinon.spy(ClientRequest.prototype, 'write');
-    });
-    afterEach(function () {
-      writeSpy.restore();
-    });
+    const mocked = helper.mockTest();
     it("should send s3:// URLs to server", function () {
       cloudinary.v2.uploader.upload("s3://test/1.jpg", {
         tags: UPLOAD_TAGS,
       });
-      sinon.assert.calledWith(writeSpy, sinon.match(helper.uploadParamMatcher('file', "s3://test/1.jpg")));
+      sinon.assert.calledWith(mocked.write, sinon.match(helper.uploadParamMatcher('file', "s3://test/1.jpg")));
     });
     it("should send gs:// URLs to server", function () {
       cloudinary.v2.uploader.upload("gs://test/1.jpg", {
         tags: UPLOAD_TAGS,
       });
-      sinon.assert.calledWith(writeSpy, sinon.match(helper.uploadParamMatcher('file', "gs://test/1.jpg")));
+      sinon.assert.calledWith(mocked.write, sinon.match(helper.uploadParamMatcher('file', "gs://test/1.jpg")));
     });
     it("should send ftp:// URLs to server", function () {
       cloudinary.v2.uploader.upload("ftp://example.com/1.jpg", {
         tags: UPLOAD_TAGS,
       });
-      sinon.assert.calledWith(writeSpy, sinon.match(helper.uploadParamMatcher('file', "ftp://example.com/1.jpg")));
+      sinon.assert.calledWith(mocked.write, sinon.match(helper.uploadParamMatcher('file', "ftp://example.com/1.jpg")));
     });
   });