diff --git a/test/loaders/ApiBasedShuttleRepositoryLoaderTests.test.ts b/test/loaders/ApiBasedShuttleRepositoryLoaderTests.test.ts
index a522fa6..a9b20f2 100644
--- a/test/loaders/ApiBasedShuttleRepositoryLoaderTests.test.ts
+++ b/test/loaders/ApiBasedShuttleRepositoryLoaderTests.test.ts
@@ -15,11 +15,7 @@ import {
   updateGlobalFetchMockJson,
   updateGlobalFetchMockJsonToThrowSyntaxError
 } from "../testHelpers/fetchMockHelpers";
-import { ApiResponseError } from "../../src/loaders/ApiResponseError";
-
-async function assertAsyncCallbackThrowsApiResponseError(callback: () => Promise<any>) {
-  await expect(callback).rejects.toThrow(ApiResponseError);
-}
+import { assertAsyncCallbackThrowsApiResponseError } from "../testHelpers/assertAsyncCallbackThrowsApiResponseError";
 
 describe("ApiBasedRepositoryLoader", () => {
   let loader: ApiBasedShuttleRepositoryLoader;
diff --git a/test/testHelpers/assertAsyncCallbackThrowsApiResponseError.ts b/test/testHelpers/assertAsyncCallbackThrowsApiResponseError.ts
new file mode 100644
index 0000000..d1107a9
--- /dev/null
+++ b/test/testHelpers/assertAsyncCallbackThrowsApiResponseError.ts
@@ -0,0 +1,6 @@
+import { expect } from "@jest/globals";
+import { ApiResponseError } from "../../src/loaders/ApiResponseError";
+
+export async function assertAsyncCallbackThrowsApiResponseError(callback: () => Promise<any>) {
+  await expect(callback).rejects.toThrow(ApiResponseError);
+}