test: fix fetch related tests

server/__mocks__/fetch-with-proxy.ts

@@ -0,0 +1,9 @@
+import fetchMock from "jest-fetch-mock";
+
+fetchMock.enableMocks();
+
+// changes default behavior of fetchMock to use the real 'fetch' implementation.
+// Mocks can now be enabled in each individual test with fetchMock.doMock()
+fetchMock.dontMock();
+
+export default fetch;

server/queues/tasks/DeliverWebhookTask.test.ts

@@ -14,12 +14,11 @@ beforeEach(() => flushdb());
 beforeEach(() => {
   jest.resetAllMocks();
   fetchMock.resetMocks();
+  fetchMock.doMock();
 });
 
 const ip = "127.0.0.1";
 
-fetchMock.enableMocks();
-
 describe("DeliverWebhookTask", () => {
   test("should hit the subscription url and record a delivery", async () => {
     const subscription = await buildWebhookSubscription({