diff --git a/src/__screenshots__/example.test.ts/calls-Amplify-downloadData-1.png b/src/__screenshots__/example.test.ts/calls-Amplify-downloadData-1.png
deleted file mode 100644
index f88c55c..0000000
Binary files a/src/__screenshots__/example.test.ts/calls-Amplify-downloadData-1.png and /dev/null differ
diff --git a/src/__screenshots__/example.test.ts/fetches-the-user-info-1.png b/src/__screenshots__/example.test.ts/fetches-the-user-info-1.png
deleted file mode 100644
index f88c55c..0000000
Binary files a/src/__screenshots__/example.test.ts/fetches-the-user-info-1.png and /dev/null differ
diff --git a/src/mocks/amplifyconfiguration_mock.json b/src/mocks/amplifyconfiguration_mock.json
index 7e2709d..d0269b4 100644
--- a/src/mocks/amplifyconfiguration_mock.json
+++ b/src/mocks/amplifyconfiguration_mock.json
@@ -10,7 +10,7 @@
   "aws_appsync_graphqlEndpoint": "https://mock.appsync-api.us-east-2.amazonaws.com/graphql",
   "aws_appsync_region": "us-east-2",
   "aws_appsync_authenticationType": "AWS_LAMBDA",
-  "aws_cognito_identity_pool_id": "us-east-2:mock", //This needs to be set to a real id, see README
+  "aws_cognito_identity_pool_id": "us-east-2:mock",
   "aws_cognito_region": "us-east-2",
   "aws_user_pools_id": "us-east-2_mock",
   "aws_user_pools_web_client_id": "mock",
diff --git a/src/mocks/handlers.ts b/src/mocks/handlers.ts
index 3dc138b..0391452 100644
--- a/src/mocks/handlers.ts
+++ b/src/mocks/handlers.ts
@@ -1,4 +1,4 @@
-import { http, graphql, HttpResponse } from "msw";
+import { http, HttpResponse } from "msw";
 
 export const handlers = [
   http.post("https://cognito-identity.us-east-2.amazonaws.com/", () => {
@@ -12,7 +12,28 @@ export const handlers = [
       IdentityId: "us-east-2:mock",
     });
   }),
-
+  http.options(
+    `https://mock-staging.s3.us-east-2.amazonaws.com/path/to/file.json`,
+    () => {
+      return new Response(null, {
+        status: 200,
+        headers: {
+          "Access-Control-Allow-Origin": "*",
+          "Access-Control-Allow-Methods": "GET,HEAD,PUT,POST,DELETE",
+          "Access-Control-Allow-Headers": "*",
+          "Access-Control-Expose-Headers":
+            "x-amz-server-side-encryption, x-amz-request-id, x-amz-id-2, ETag",
+          "Access-Control-Max-Age": "3000",
+          "Content-Length": "0",
+          Date: "Fri, 03 Jan 2025 03:30:11 GMT",
+          Server: "AmazonS3",
+          Vary: "Origin, Access-Control-Request-Headers, Access-Control-Request-Method",
+          "x-amz-id-2": "mock",
+          "x-amz-request-id": "mock",
+        },
+      });
+    }
+  ),
   http.get(
     `https://mock-staging.s3.us-east-2.amazonaws.com/path/to/file.json`,
     () => {
diff --git a/vitest.setup.ts b/vitest.setup.ts
index c1ef549..f791113 100644
--- a/vitest.setup.ts
+++ b/vitest.setup.ts
@@ -1,9 +1,9 @@
 import { Amplify } from "aws-amplify";
 import { worker } from "./src/mocks/worker.js";
 import amplifyconfig from "./src/mocks/amplifyconfiguration_mock.json";
-beforeAll(() => {
+beforeAll(async () => {
   Amplify.configure(amplifyconfig);
-  worker.start();
+  await worker.start();
 });
 
 afterEach(() => {